65256220

素因数分解:

$2^2\times 5^1\times {\mathrm{379}}^1\times {\mathrm{8609}}^1$

素因数の和:8997

約数の個数: 24

約数和(自身を含む): 137415600

約数和(自身を除く): 72159380

約数列:

[1, 2, 4, 5, 10, 20, 379, 758, 1516, 1895, 3790, 7580, 8609, 17218, 34436, 43045, 86090, 172180, 3262811, 6525622, 13051244, 16314055, 32628110, 65256220]

約数ペア:

[(1, 65256220), (2, 32628110), (4, 16314055), (5, 13051244), (10, 6525622), (20, 3262811), (379, 172180), (758, 86090), (1516, 43045), (1895, 34436), (3790, 17218), (7580, 8609)]