20306255680

素因数分解:

$2^6\times 5^1\times {\mathrm{193}}^1\times {\mathrm{197}}^1\times {\mathrm{1669}}^1$

素因数の和:2076

約数の個数: 112

約数和(自身を含む): 48880806480

約数和(自身を除く): 28574550800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 193, 197, 320, 386, 394, 772, 788, 965, 985, 1544, 1576, 1669, 1930, 1970, 3088, 3152, 3338, 3860, 3940, 6176, 6304, 6676, 7720, 7880, 8345, 12352, 12608, 13352, 15440, 15760, 16690, 26704, 30880, 31520, 33380, 38021, 53408, 61760, 63040, 66760, 76042, 106816, 133520, 152084, 190105, 267040, 304168, 322117, 328793, 380210, 534080, 608336, 644234, 657586, 760420, 1216672, 1288468, 1315172, 1520840, 1610585, 1643965, 2433344, 2576936, 2630344, 3041680, 3221170, 3287930, 5153872, 5260688, 6083360, 6442340, 6575860, 10307744, 10521376, 12166720, 12884680, 13151720, 20615488, 21042752, 25769360, 26303440, 51538720, 52606880, 63457049, 103077440, 105213760, 126914098, 253828196, 317285245, 507656392, 634570490, 1015312784, 1269140980, 2030625568, 2538281960, 4061251136, 5076563920, 10153127840, 20306255680]

約数ペア:

[(1, 20306255680), (2, 10153127840), (4, 5076563920), (5, 4061251136), (8, 2538281960), (10, 2030625568), (16, 1269140980), (20, 1015312784), (32, 634570490), (40, 507656392), (64, 317285245), (80, 253828196), (160, 126914098), (193, 105213760), (197, 103077440), (320, 63457049), (386, 52606880), (394, 51538720), (772, 26303440), (788, 25769360), (965, 21042752), (985, 20615488), (1544, 13151720), (1576, 12884680), (1669, 12166720), (1930, 10521376), (1970, 10307744), (3088, 6575860), (3152, 6442340), (3338, 6083360), (3860, 5260688), (3940, 5153872), (6176, 3287930), (6304, 3221170), (6676, 3041680), (7720, 2630344), (7880, 2576936), (8345, 2433344), (12352, 1643965), (12608, 1610585), (13352, 1520840), (15440, 1315172), (15760, 1288468), (16690, 1216672), (26704, 760420), (30880, 657586), (31520, 644234), (33380, 608336), (38021, 534080), (53408, 380210), (61760, 328793), (63040, 322117), (66760, 304168), (76042, 267040), (106816, 190105), (133520, 152084)]