4088440

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2377}}^1$

素因数の和:2431

約数の個数: 32

約数和(自身を含む): 9416880

約数和(自身を除く): 5328440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 2377, 4754, 9508, 11885, 19016, 23770, 47540, 95080, 102211, 204422, 408844, 511055, 817688, 1022110, 2044220, 4088440]

約数ペア:

[(1, 4088440), (2, 2044220), (4, 1022110), (5, 817688), (8, 511055), (10, 408844), (20, 204422), (40, 102211), (43, 95080), (86, 47540), (172, 23770), (215, 19016), (344, 11885), (430, 9508), (860, 4754), (1720, 2377)]