65506480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{62987}}^1$

素因数の和:63013

約数の個数: 40

約数和(自身を含む): 164020752

約数和(自身を除く): 98514272

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 62987, 125974, 251948, 314935, 503896, 629870, 818831, 1007792, 1259740, 1637662, 2519480, 3275324, 4094155, 5038960, 6550648, 8188310, 13101296, 16376620, 32753240, 65506480]

約数ペア:

[(1, 65506480), (2, 32753240), (4, 16376620), (5, 13101296), (8, 8188310), (10, 6550648), (13, 5038960), (16, 4094155), (20, 3275324), (26, 2519480), (40, 1637662), (52, 1259740), (65, 1007792), (80, 818831), (104, 629870), (130, 503896), (208, 314935), (260, 251948), (520, 125974), (1040, 62987)]