65551760

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{5981}}^1$

素因数の和:6131

約数の個数: 40

約数和(自身を含む): 153545976

約数和(自身を除く): 87994216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 274, 548, 685, 1096, 1370, 2192, 2740, 5480, 5981, 10960, 11962, 23924, 29905, 47848, 59810, 95696, 119620, 239240, 478480, 819397, 1638794, 3277588, 4096985, 6555176, 8193970, 13110352, 16387940, 32775880, 65551760]

約数ペア:

[(1, 65551760), (2, 32775880), (4, 16387940), (5, 13110352), (8, 8193970), (10, 6555176), (16, 4096985), (20, 3277588), (40, 1638794), (80, 819397), (137, 478480), (274, 239240), (548, 119620), (685, 95696), (1096, 59810), (1370, 47848), (2192, 29905), (2740, 23924), (5480, 11962), (5981, 10960)]