8989360

素因数分解:

$2^4\times 5^1\times {\mathrm{313}}^1\times {\mathrm{359}}^1$

素因数の和:685

約数の個数: 40

約数和(自身を含む): 21025440

約数和(自身を除く): 12036080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 313, 359, 626, 718, 1252, 1436, 1565, 1795, 2504, 2872, 3130, 3590, 5008, 5744, 6260, 7180, 12520, 14360, 25040, 28720, 112367, 224734, 449468, 561835, 898936, 1123670, 1797872, 2247340, 4494680, 8989360]

約数ペア:

[(1, 8989360), (2, 4494680), (4, 2247340), (5, 1797872), (8, 1123670), (10, 898936), (16, 561835), (20, 449468), (40, 224734), (80, 112367), (313, 28720), (359, 25040), (626, 14360), (718, 12520), (1252, 7180), (1436, 6260), (1565, 5744), (1795, 5008), (2504, 3590), (2872, 3130)]