64299425

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{509}}^1$

素因数の和:713

約数の個数: 24

約数和(自身を含む): 82970880

約数和(自身を除く): 18671455

約数列:

[1, 5, 25, 31, 155, 163, 509, 775, 815, 2545, 4075, 5053, 12725, 15779, 25265, 78895, 82967, 126325, 394475, 414835, 2074175, 2571977, 12859885, 64299425]

約数ペア:

[(1, 64299425), (5, 12859885), (25, 2571977), (31, 2074175), (155, 414835), (163, 394475), (509, 126325), (775, 82967), (815, 78895), (2545, 25265), (4075, 15779), (5053, 12725)]