71307640

素因数分解:

$2^3\times 5^1\times {\mathrm{1129}}^1\times {\mathrm{1579}}^1$

素因数の和:2719

約数の個数: 32

約数和(自身を含む): 160686000

約数和(自身を除く): 89378360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1129, 1579, 2258, 3158, 4516, 5645, 6316, 7895, 9032, 11290, 12632, 15790, 22580, 31580, 45160, 63160, 1782691, 3565382, 7130764, 8913455, 14261528, 17826910, 35653820, 71307640]

約数ペア:

[(1, 71307640), (2, 35653820), (4, 17826910), (5, 14261528), (8, 8913455), (10, 7130764), (20, 3565382), (40, 1782691), (1129, 63160), (1579, 45160), (2258, 31580), (3158, 22580), (4516, 15790), (5645, 12632), (6316, 11290), (7895, 9032)]