63898840

素因数分解:

$2^3\times 5^1\times {\mathrm{1249}}^1\times {\mathrm{1279}}^1$

素因数の和:2539

約数の個数: 32

約数和(自身を含む): 144000000

約数和(自身を除く): 80101160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1249, 1279, 2498, 2558, 4996, 5116, 6245, 6395, 9992, 10232, 12490, 12790, 24980, 25580, 49960, 51160, 1597471, 3194942, 6389884, 7987355, 12779768, 15974710, 31949420, 63898840]

約数ペア:

[(1, 63898840), (2, 31949420), (4, 15974710), (5, 12779768), (8, 7987355), (10, 6389884), (20, 3194942), (40, 1597471), (1249, 51160), (1279, 49960), (2498, 25580), (2558, 24980), (4996, 12790), (5116, 12490), (6245, 10232), (6395, 9992)]