20161574525

素因数分解:

$5^2\times {\mathrm{25999}}^1\times {\mathrm{31019}}^1$

素因数の和:57028

約数の個数: 12

約数和(自身を含む): 25002120000

約数和(自身を除く): 4840545475

約数列:

[1, 5, 25, 25999, 31019, 129995, 155095, 649975, 775475, 806462981, 4032314905, 20161574525]

約数ペア:

[(1, 20161574525), (5, 4032314905), (25, 806462981), (25999, 775475), (31019, 649975), (129995, 155095)]