80409472

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1$

素因数の和:252

約数の個数: 128

約数和(自身を含む): 197406720

約数和(自身を除く): 116997248

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 23, 26, 32, 44, 46, 52, 64, 88, 92, 104, 128, 143, 176, 184, 191, 208, 253, 286, 299, 352, 368, 382, 416, 506, 572, 598, 704, 736, 764, 832, 1012, 1144, 1196, 1408, 1472, 1528, 1664, 2024, 2101, 2288, 2392, 2483, 2944, 3056, 3289, 4048, 4202, 4393, 4576, 4784, 4966, 6112, 6578, 8096, 8404, 8786, 9152, 9568, 9932, 12224, 13156, 16192, 16808, 17572, 18304, 19136, 19864, 24448, 26312, 27313, 32384, 33616, 35144, 38272, 39728, 48323, 52624, 54626, 57109, 67232, 70288, 79456, 96646, 105248, 109252, 114218, 134464, 140576, 158912, 193292, 210496, 218504, 228436, 268928, 281152, 317824, 386584, 420992, 437008, 456872, 562304, 628199, 773168, 874016, 913744, 1256398, 1546336, 1748032, 1827488, 2512796, 3092672, 3496064, 3654976, 5025592, 6185344, 7309952, 10051184, 20102368, 40204736, 80409472]

約数ペア:

[(1, 80409472), (2, 40204736), (4, 20102368), (8, 10051184), (11, 7309952), (13, 6185344), (16, 5025592), (22, 3654976), (23, 3496064), (26, 3092672), (32, 2512796), (44, 1827488), (46, 1748032), (52, 1546336), (64, 1256398), (88, 913744), (92, 874016), (104, 773168), (128, 628199), (143, 562304), (176, 456872), (184, 437008), (191, 420992), (208, 386584), (253, 317824), (286, 281152), (299, 268928), (352, 228436), (368, 218504), (382, 210496), (416, 193292), (506, 158912), (572, 140576), (598, 134464), (704, 114218), (736, 109252), (764, 105248), (832, 96646), (1012, 79456), (1144, 70288), (1196, 67232), (1408, 57109), (1472, 54626), (1528, 52624), (1664, 48323), (2024, 39728), (2101, 38272), (2288, 35144), (2392, 33616), (2483, 32384), (2944, 27313), (3056, 26312), (3289, 24448), (4048, 19864), (4202, 19136), (4393, 18304), (4576, 17572), (4784, 16808), (4966, 16192), (6112, 13156), (6578, 12224), (8096, 9932), (8404, 9568), (8786, 9152)]