121930520

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{18701}}^1$

素因数の和:18875

約数の個数: 32

約数和(自身を含む): 276041520

約数和(自身を除く): 154111000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 18701, 37402, 74804, 93505, 149608, 187010, 374020, 748040, 3048263, 6096526, 12193052, 15241315, 24386104, 30482630, 60965260, 121930520]

約数ペア:

[(1, 121930520), (2, 60965260), (4, 30482630), (5, 24386104), (8, 15241315), (10, 12193052), (20, 6096526), (40, 3048263), (163, 748040), (326, 374020), (652, 187010), (815, 149608), (1304, 93505), (1630, 74804), (3260, 37402), (6520, 18701)]