697640

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1$

素因数の和:281

約数の個数: 32

約数和(自身を含む): 1594080

約数和(自身を除く): 896440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 163, 214, 326, 428, 535, 652, 815, 856, 1070, 1304, 1630, 2140, 3260, 4280, 6520, 17441, 34882, 69764, 87205, 139528, 174410, 348820, 697640]

約数ペア:

[(1, 697640), (2, 348820), (4, 174410), (5, 139528), (8, 87205), (10, 69764), (20, 34882), (40, 17441), (107, 6520), (163, 4280), (214, 3260), (326, 2140), (428, 1630), (535, 1304), (652, 1070), (815, 856)]