128536360

素因数分解:

$2^3\times 5^1\times {\mathrm{359}}^1\times {\mathrm{8951}}^1$

素因数の和:9321

約数の個数: 32

約数和(自身を含む): 290044800

約数和(自身を除く): 161508440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 359, 718, 1436, 1795, 2872, 3590, 7180, 8951, 14360, 17902, 35804, 44755, 71608, 89510, 179020, 358040, 3213409, 6426818, 12853636, 16067045, 25707272, 32134090, 64268180, 128536360]

約数ペア:

[(1, 128536360), (2, 64268180), (4, 32134090), (5, 25707272), (8, 16067045), (10, 12853636), (20, 6426818), (40, 3213409), (359, 358040), (718, 179020), (1436, 89510), (1795, 71608), (2872, 44755), (3590, 35804), (7180, 17902), (8951, 14360)]