71732680

素因数分解:

$2^3\times 5^1\times {\mathrm{823}}^1\times {\mathrm{2179}}^1$

素因数の和:3013

約数の個数: 32

約数和(自身を含む): 161668800

約数和(自身を除く): 89936120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 823, 1646, 2179, 3292, 4115, 4358, 6584, 8230, 8716, 10895, 16460, 17432, 21790, 32920, 43580, 87160, 1793317, 3586634, 7173268, 8966585, 14346536, 17933170, 35866340, 71732680]

約数ペア:

[(1, 71732680), (2, 35866340), (4, 17933170), (5, 14346536), (8, 8966585), (10, 7173268), (20, 3586634), (40, 1793317), (823, 87160), (1646, 43580), (2179, 32920), (3292, 21790), (4115, 17432), (4358, 16460), (6584, 10895), (8230, 8716)]