1621160

素因数分解:

$2^3\times 5^1\times {\mathrm{40529}}^1$

素因数の和:40540

約数の個数: 16

約数和(自身を含む): 3647700

約数和(自身を除く): 2026540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 40529, 81058, 162116, 202645, 324232, 405290, 810580, 1621160]

約数ペア:

[(1, 1621160), (2, 810580), (4, 405290), (5, 324232), (8, 202645), (10, 162116), (20, 81058), (40, 40529)]