488256080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{1481}}^1$

素因数の和:1824

約数の個数: 80

約数和(自身を含む): 1227202704

約数和(自身を除く): 738946624

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 317, 520, 634, 1040, 1268, 1481, 1585, 2536, 2962, 3170, 4121, 5072, 5924, 6340, 7405, 8242, 11848, 12680, 14810, 16484, 19253, 20605, 23696, 25360, 29620, 32968, 38506, 41210, 59240, 65936, 77012, 82420, 96265, 118480, 154024, 164840, 192530, 308048, 329680, 385060, 469477, 770120, 938954, 1540240, 1877908, 2347385, 3755816, 4694770, 6103201, 7511632, 9389540, 12206402, 18779080, 24412804, 30516005, 37558160, 48825608, 61032010, 97651216, 122064020, 244128040, 488256080]

約数ペア:

[(1, 488256080), (2, 244128040), (4, 122064020), (5, 97651216), (8, 61032010), (10, 48825608), (13, 37558160), (16, 30516005), (20, 24412804), (26, 18779080), (40, 12206402), (52, 9389540), (65, 7511632), (80, 6103201), (104, 4694770), (130, 3755816), (208, 2347385), (260, 1877908), (317, 1540240), (520, 938954), (634, 770120), (1040, 469477), (1268, 385060), (1481, 329680), (1585, 308048), (2536, 192530), (2962, 164840), (3170, 154024), (4121, 118480), (5072, 96265), (5924, 82420), (6340, 77012), (7405, 65936), (8242, 59240), (11848, 41210), (12680, 38506), (14810, 32968), (16484, 29620), (19253, 25360), (20605, 23696)]