8874735025

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{67759}}^1$

素因数の和:67826

約数の個数: 36

約数和(自身を含む): 12300879360

約数和(自身を除く): 3426144335

約数列:

[1, 5, 13, 25, 31, 65, 155, 169, 325, 403, 775, 845, 2015, 4225, 5239, 10075, 26195, 67759, 130975, 338795, 880867, 1693975, 2100529, 4404335, 10502645, 11451271, 22021675, 27306877, 52513225, 57256355, 136534385, 286281775, 354989401, 682671925, 1774947005, 8874735025]

約数ペア:

[(1, 8874735025), (5, 1774947005), (13, 682671925), (25, 354989401), (31, 286281775), (65, 136534385), (155, 57256355), (169, 52513225), (325, 27306877), (403, 22021675), (775, 11451271), (845, 10502645), (2015, 4404335), (4225, 2100529), (5239, 1693975), (10075, 880867), (26195, 338795), (67759, 130975)]