40647398398

素因数分解:

$2^1\times {\mathrm{641}}^1\times {\mathrm{3121}}^1\times {\mathrm{10159}}^1$

素因数の和:13923

約数の個数: 16

約数和(自身を含む): 61091795520

約数和(自身を除く): 20444397122

約数列:

[1, 2, 641, 1282, 3121, 6242, 10159, 20318, 2000561, 4001122, 6511919, 13023838, 31706239, 63412478, 20323699199, 40647398398]

約数ペア:

[(1, 40647398398), (2, 20323699199), (641, 63412478), (1282, 31706239), (3121, 13023838), (6242, 6511919), (10159, 4001122), (20318, 2000561)]