430080025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{397}}^1\times {\mathrm{2549}}^1$

素因数の和:2973

約数の個数: 24

約数和(自身を含む): 566314200

約数和(自身を除く): 136234175

約数列:

[1, 5, 17, 25, 85, 397, 425, 1985, 2549, 6749, 9925, 12745, 33745, 43333, 63725, 168725, 216665, 1011953, 1083325, 5059765, 17203201, 25298825, 86016005, 430080025]

約数ペア:

[(1, 430080025), (5, 86016005), (17, 25298825), (25, 17203201), (85, 5059765), (397, 1083325), (425, 1011953), (1985, 216665), (2549, 168725), (6749, 63725), (9925, 43333), (12745, 33745)]