64476025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{911}}^1$

素因数の和:1089

約数の個数: 24

約数和(自身を含む): 84816000

約数和(自身を除く): 20339975

約数列:

[1, 5, 19, 25, 95, 149, 475, 745, 911, 2831, 3725, 4555, 14155, 17309, 22775, 70775, 86545, 135739, 432725, 678695, 2579041, 3393475, 12895205, 64476025]

約数ペア:

[(1, 64476025), (5, 12895205), (19, 3393475), (25, 2579041), (95, 678695), (149, 432725), (475, 135739), (745, 86545), (911, 70775), (2831, 22775), (3725, 17309), (4555, 14155)]