139615706920

素因数分解:

$2^3\times 5^1\times {\mathrm{3490392673}}^1$

素因数の和:3490392684

約数の個数: 16

約数和(自身を含む): 314135340660

約数和(自身を除く): 174519633740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3490392673, 6980785346, 13961570692, 17451963365, 27923141384, 34903926730, 69807853460, 139615706920]

約数ペア:

[(1, 139615706920), (2, 69807853460), (4, 34903926730), (5, 27923141384), (8, 17451963365), (10, 13961570692), (20, 6980785346), (40, 3490392673)]