40580620

素因数分解:

$2^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{4519}}^1$

素因数の和:4977

約数の個数: 24

約数和(自身を含む): 85428000

約数和(自身を除く): 44847380

約数列:

[1, 2, 4, 5, 10, 20, 449, 898, 1796, 2245, 4490, 4519, 8980, 9038, 18076, 22595, 45190, 90380, 2029031, 4058062, 8116124, 10145155, 20290310, 40580620]

約数ペア:

[(1, 40580620), (2, 20290310), (4, 10145155), (5, 8116124), (10, 4058062), (20, 2029031), (449, 90380), (898, 45190), (1796, 22595), (2245, 18076), (4490, 9038), (4519, 8980)]