160430180

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{112979}}^1$

素因数の和:113059

約数の個数: 24

約数和(自身を含む): 341651520

約数和(自身を除く): 181221340

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 112979, 225958, 451916, 564895, 1129790, 2259580, 8021509, 16043018, 32086036, 40107545, 80215090, 160430180]

約数ペア:

[(1, 160430180), (2, 80215090), (4, 40107545), (5, 32086036), (10, 16043018), (20, 8021509), (71, 2259580), (142, 1129790), (284, 564895), (355, 451916), (710, 225958), (1420, 112979)]