65465420

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1\times {\mathrm{349}}^1$

素因数の和:554

約数の個数: 48

約数和(自身を含む): 140767200

約数和(自身を除く): 75301780

約数列:

[1, 2, 4, 5, 10, 20, 83, 113, 166, 226, 332, 349, 415, 452, 565, 698, 830, 1130, 1396, 1660, 1745, 2260, 3490, 6980, 9379, 18758, 28967, 37516, 39437, 46895, 57934, 78874, 93790, 115868, 144835, 157748, 187580, 197185, 289670, 394370, 579340, 788740, 3273271, 6546542, 13093084, 16366355, 32732710, 65465420]

約数ペア:

[(1, 65465420), (2, 32732710), (4, 16366355), (5, 13093084), (10, 6546542), (20, 3273271), (83, 788740), (113, 579340), (166, 394370), (226, 289670), (332, 197185), (349, 187580), (415, 157748), (452, 144835), (565, 115868), (698, 93790), (830, 78874), (1130, 57934), (1396, 46895), (1660, 39437), (1745, 37516), (2260, 28967), (3490, 18758), (6980, 9379)]