9771980

素因数分解:

$2^2\times 5^1\times {\mathrm{359}}^1\times {\mathrm{1361}}^1$

素因数の和:1729

約数の個数: 24

約数和(自身を含む): 20593440

約数和(自身を除く): 10821460

約数列:

[1, 2, 4, 5, 10, 20, 359, 718, 1361, 1436, 1795, 2722, 3590, 5444, 6805, 7180, 13610, 27220, 488599, 977198, 1954396, 2442995, 4885990, 9771980]

約数ペア:

[(1, 9771980), (2, 4885990), (4, 2442995), (5, 1954396), (10, 977198), (20, 488599), (359, 27220), (718, 13610), (1361, 7180), (1436, 6805), (1795, 5444), (2722, 3590)]