80715380

素因数分解:

$2^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{8287}}^1$

素因数の和:8783

約数の個数: 24

約数和(自身を含む): 169870848

約数和(自身を除く): 89155468

約数列:

[1, 2, 4, 5, 10, 20, 487, 974, 1948, 2435, 4870, 8287, 9740, 16574, 33148, 41435, 82870, 165740, 4035769, 8071538, 16143076, 20178845, 40357690, 80715380]

約数ペア:

[(1, 80715380), (2, 40357690), (4, 20178845), (5, 16143076), (10, 8071538), (20, 4035769), (487, 165740), (974, 82870), (1948, 41435), (2435, 33148), (4870, 16574), (8287, 9740)]