88665640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{316663}}^1$

素因数の和:316681

約数の個数: 32

約数和(自身を含む): 227998080

約数和(自身を除く): 139332440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 316663, 633326, 1266652, 1583315, 2216641, 2533304, 3166630, 4433282, 6333260, 8866564, 11083205, 12666520, 17733128, 22166410, 44332820, 88665640]

約数ペア:

[(1, 88665640), (2, 44332820), (4, 22166410), (5, 17733128), (7, 12666520), (8, 11083205), (10, 8866564), (14, 6333260), (20, 4433282), (28, 3166630), (35, 2533304), (40, 2216641), (56, 1583315), (70, 1266652), (140, 633326), (280, 316663)]