129099640

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{10513}}^1$

素因数の和:10831

約数の個数: 32

約数和(自身を含む): 291448080

約数和(自身を除く): 162348440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1228, 1535, 2456, 3070, 6140, 10513, 12280, 21026, 42052, 52565, 84104, 105130, 210260, 420520, 3227491, 6454982, 12909964, 16137455, 25819928, 32274910, 64549820, 129099640]

約数ペア:

[(1, 129099640), (2, 64549820), (4, 32274910), (5, 25819928), (8, 16137455), (10, 12909964), (20, 6454982), (40, 3227491), (307, 420520), (614, 210260), (1228, 105130), (1535, 84104), (2456, 52565), (3070, 42052), (6140, 21026), (10513, 12280)]