80406575

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1553}}^1$

素因数の和:1691

約数の個数: 24

約数和(自身を含む): 105982800

約数和(自身を除く): 25576225

約数列:

[1, 5, 19, 25, 95, 109, 475, 545, 1553, 2071, 2725, 7765, 10355, 29507, 38825, 51775, 147535, 169277, 737675, 846385, 3216263, 4231925, 16081315, 80406575]

約数ペア:

[(1, 80406575), (5, 16081315), (19, 4231925), (25, 3216263), (95, 846385), (109, 737675), (475, 169277), (545, 147535), (1553, 51775), (2071, 38825), (2725, 29507), (7765, 10355)]