1640422475

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{22871}}^1$

素因数の和:23051

約数の個数: 24

約数和(自身を含む): 2155457280

約数和(自身を除く): 515034805

約数列:

[1, 5, 19, 25, 95, 151, 475, 755, 2869, 3775, 14345, 22871, 71725, 114355, 434549, 571775, 2172745, 3453521, 10863725, 17267605, 65616899, 86338025, 328084495, 1640422475]

約数ペア:

[(1, 1640422475), (5, 328084495), (19, 86338025), (25, 65616899), (95, 17267605), (151, 10863725), (475, 3453521), (755, 2172745), (2869, 571775), (3775, 434549), (14345, 114355), (22871, 71725)]