19960016128

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{79}}^2$

素因数の和:249

約数の個数: 162

約数和(自身を含む): 44903890962

約数和(自身を除く): 24943874834

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 79, 104, 124, 128, 158, 208, 248, 256, 316, 403, 416, 496, 632, 806, 832, 961, 992, 1027, 1264, 1612, 1664, 1922, 1984, 2054, 2449, 2528, 3224, 3328, 3844, 3968, 4108, 4898, 5056, 6241, 6448, 7688, 7936, 8216, 9796, 10112, 12482, 12493, 12896, 15376, 16432, 19592, 20224, 24964, 24986, 25792, 30752, 31837, 32864, 39184, 49928, 49972, 51584, 61504, 63674, 65728, 75919, 78368, 81133, 99856, 99944, 103168, 123008, 127348, 131456, 151838, 156736, 162266, 193471, 199712, 199888, 246016, 254696, 262912, 303676, 313472, 324532, 386942, 399424, 399776, 509392, 607352, 626944, 649064, 773884, 798848, 799552, 986947, 1018784, 1214704, 1298128, 1547768, 1597696, 1599104, 1973894, 2037568, 2429408, 2515123, 2596256, 3095536, 3198208, 3947788, 4075136, 4858816, 5030246, 5192512, 5997601, 6191072, 7895576, 8150272, 9717632, 10060492, 10385024, 11995202, 12382144, 15791152, 19435264, 20120984, 20770048, 23990404, 24764288, 31582304, 40241968, 47980808, 49528576, 63164608, 77968813, 80483936, 95961616, 126329216, 155937626, 160967872, 191923232, 252658432, 311875252, 321935744, 383846464, 623750504, 643871488, 767692928, 1247501008, 1535385856, 2495002016, 4990004032, 9980008064, 19960016128]

約数ペア:

[(1, 19960016128), (2, 9980008064), (4, 4990004032), (8, 2495002016), (13, 1535385856), (16, 1247501008), (26, 767692928), (31, 643871488), (32, 623750504), (52, 383846464), (62, 321935744), (64, 311875252), (79, 252658432), (104, 191923232), (124, 160967872), (128, 155937626), (158, 126329216), (208, 95961616), (248, 80483936), (256, 77968813), (316, 63164608), (403, 49528576), (416, 47980808), (496, 40241968), (632, 31582304), (806, 24764288), (832, 23990404), (961, 20770048), (992, 20120984), (1027, 19435264), (1264, 15791152), (1612, 12382144), (1664, 11995202), (1922, 10385024), (1984, 10060492), (2054, 9717632), (2449, 8150272), (2528, 7895576), (3224, 6191072), (3328, 5997601), (3844, 5192512), (3968, 5030246), (4108, 4858816), (4898, 4075136), (5056, 3947788), (6241, 3198208), (6448, 3095536), (7688, 2596256), (7936, 2515123), (8216, 2429408), (9796, 2037568), (10112, 1973894), (12482, 1599104), (12493, 1597696), (12896, 1547768), (15376, 1298128), (16432, 1214704), (19592, 1018784), (20224, 986947), (24964, 799552), (24986, 798848), (25792, 773884), (30752, 649064), (31837, 626944), (32864, 607352), (39184, 509392), (49928, 399776), (49972, 399424), (51584, 386942), (61504, 324532), (63674, 313472), (65728, 303676), (75919, 262912), (78368, 254696), (81133, 246016), (99856, 199888), (99944, 199712), (103168, 193471), (123008, 162266), (127348, 156736), (131456, 151838)]