63881360

素因数分解:

$2^4\times 5^1\times {\mathrm{798517}}^1$

素因数の和:798530

約数の個数: 20

約数和(自身を含む): 148524348

約数和(自身を除く): 84642988

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 798517, 1597034, 3194068, 3992585, 6388136, 7985170, 12776272, 15970340, 31940680, 63881360]

約数ペア:

[(1, 63881360), (2, 31940680), (4, 15970340), (5, 12776272), (8, 7985170), (10, 6388136), (16, 3992585), (20, 3194068), (40, 1597034), (80, 798517)]