386086480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{371237}}^1$

素因数の和:371263

約数の個数: 40

約数和(自身を含む): 966703752

約数和(自身を除く): 580617272

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 371237, 742474, 1484948, 1856185, 2969896, 3712370, 4826081, 5939792, 7424740, 9652162, 14849480, 19304324, 24130405, 29698960, 38608648, 48260810, 77217296, 96521620, 193043240, 386086480]

約数ペア:

[(1, 386086480), (2, 193043240), (4, 96521620), (5, 77217296), (8, 48260810), (10, 38608648), (13, 29698960), (16, 24130405), (20, 19304324), (26, 14849480), (40, 9652162), (52, 7424740), (65, 5939792), (80, 4826081), (104, 3712370), (130, 2969896), (208, 1856185), (260, 1484948), (520, 742474), (1040, 371237)]