71514680

素因数分解:

$2^3\times 5^1\times {\mathrm{659}}^1\times {\mathrm{2713}}^1$

素因数の和:3383

約数の個数: 32

約数和(自身を含む): 161211600

約数和(自身を除く): 89696920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 659, 1318, 2636, 2713, 3295, 5272, 5426, 6590, 10852, 13180, 13565, 21704, 26360, 27130, 54260, 108520, 1787867, 3575734, 7151468, 8939335, 14302936, 17878670, 35757340, 71514680]

約数ペア:

[(1, 71514680), (2, 35757340), (4, 17878670), (5, 14302936), (8, 8939335), (10, 7151468), (20, 3575734), (40, 1787867), (659, 108520), (1318, 54260), (2636, 27130), (2713, 26360), (3295, 21704), (5272, 13565), (5426, 13180), (6590, 10852)]