620425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1$

素因数の和:129

約数の個数: 24

約数和(自身を含む): 874944

約数和(自身を除く): 254519

約数列:

[1, 5, 13, 23, 25, 65, 83, 115, 299, 325, 415, 575, 1079, 1495, 1909, 2075, 5395, 7475, 9545, 24817, 26975, 47725, 124085, 620425]

約数ペア:

[(1, 620425), (5, 124085), (13, 47725), (23, 26975), (25, 24817), (65, 9545), (83, 7475), (115, 5395), (299, 2075), (325, 1909), (415, 1495), (575, 1079)]