63811960

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{22469}}^1$

素因数の和:22551

約数の個数: 32

約数和(自身を含む): 145605600

約数和(自身を除く): 81793640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 22469, 44938, 89876, 112345, 179752, 224690, 449380, 898760, 1595299, 3190598, 6381196, 7976495, 12762392, 15952990, 31905980, 63811960]

約数ペア:

[(1, 63811960), (2, 31905980), (4, 15952990), (5, 12762392), (8, 7976495), (10, 6381196), (20, 3190598), (40, 1595299), (71, 898760), (142, 449380), (284, 224690), (355, 179752), (568, 112345), (710, 89876), (1420, 44938), (2840, 22469)]