1296207980

素因数分解:

$2^2\times 5^1\times {\mathrm{709}}^1\times {\mathrm{91411}}^1$

素因数の和:92129

約数の個数: 24

約数和(自身を含む): 2725905840

約数和(自身を除く): 1429697860

約数列:

[1, 2, 4, 5, 10, 20, 709, 1418, 2836, 3545, 7090, 14180, 91411, 182822, 365644, 457055, 914110, 1828220, 64810399, 129620798, 259241596, 324051995, 648103990, 1296207980]

約数ペア:

[(1, 1296207980), (2, 648103990), (4, 324051995), (5, 259241596), (10, 129620798), (20, 64810399), (709, 1828220), (1418, 914110), (2836, 457055), (3545, 365644), (7090, 182822), (14180, 91411)]