64011875

素因数分解:

$5^4\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:177

約数の個数: 40

約数和(自身を含む): 85997472

約数和(自身を除く): 21985597

約数列:

[1, 5, 23, 25, 61, 73, 115, 125, 305, 365, 575, 625, 1403, 1525, 1679, 1825, 2875, 4453, 7015, 7625, 8395, 9125, 14375, 22265, 35075, 38125, 41975, 45625, 102419, 111325, 175375, 209875, 512095, 556625, 876875, 1049375, 2560475, 2783125, 12802375, 64011875]

約数ペア:

[(1, 64011875), (5, 12802375), (23, 2783125), (25, 2560475), (61, 1049375), (73, 876875), (115, 556625), (125, 512095), (305, 209875), (365, 175375), (575, 111325), (625, 102419), (1403, 45625), (1525, 41975), (1679, 38125), (1825, 35075), (2875, 22265), (4453, 14375), (7015, 9125), (7625, 8395)]