86703880

素因数分解:

$2^3\times 5^1\times {\mathrm{607}}^1\times {\mathrm{3571}}^1$

素因数の和:4189

約数の個数: 32

約数和(自身を含む): 195459840

約数和(自身を除く): 108755960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 607, 1214, 2428, 3035, 3571, 4856, 6070, 7142, 12140, 14284, 17855, 24280, 28568, 35710, 71420, 142840, 2167597, 4335194, 8670388, 10837985, 17340776, 21675970, 43351940, 86703880]

約数ペア:

[(1, 86703880), (2, 43351940), (4, 21675970), (5, 17340776), (8, 10837985), (10, 8670388), (20, 4335194), (40, 2167597), (607, 142840), (1214, 71420), (2428, 35710), (3035, 28568), (3571, 24280), (4856, 17855), (6070, 14284), (7142, 12140)]