1810366780

素因数分解:

$2^2\times 5^1\times {\mathrm{2213}}^1\times {\mathrm{40903}}^1$

素因数の和:43125

約数の個数: 24

約数和(自身を含む): 3803581152

約数和(自身を除く): 1993214372

約数列:

[1, 2, 4, 5, 10, 20, 2213, 4426, 8852, 11065, 22130, 40903, 44260, 81806, 163612, 204515, 409030, 818060, 90518339, 181036678, 362073356, 452591695, 905183390, 1810366780]

約数ペア:

[(1, 1810366780), (2, 905183390), (4, 452591695), (5, 362073356), (10, 181036678), (20, 90518339), (2213, 818060), (4426, 409030), (8852, 204515), (11065, 163612), (22130, 81806), (40903, 44260)]