709174940

素因数分解:

$2^2\times 5^1\times {\mathrm{8693}}^1\times {\mathrm{4079}}^1$

素因数の和:12781

約数の個数: 24

約数和(自身を含む): 1489803840

約数和(自身を除く): 780628900

約数列:

[1, 2, 4, 5, 10, 20, 4079, 8158, 8693, 16316, 17386, 20395, 34772, 40790, 43465, 81580, 86930, 173860, 35458747, 70917494, 141834988, 177293735, 354587470, 709174940]

約数ペア:

[(1, 709174940), (2, 354587470), (4, 177293735), (5, 141834988), (10, 70917494), (20, 35458747), (4079, 173860), (8158, 86930), (8693, 81580), (16316, 43465), (17386, 40790), (20395, 34772)]