25625540

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{8161}}^1$

素因数の和:8327

約数の個数: 24

約数和(自身を含む): 54163032

約数和(自身を除く): 28537492

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 8161, 16322, 32644, 40805, 81610, 163220, 1281277, 2562554, 5125108, 6406385, 12812770, 25625540]

約数ペア:

[(1, 25625540), (2, 12812770), (4, 6406385), (5, 5125108), (10, 2562554), (20, 1281277), (157, 163220), (314, 81610), (628, 40805), (785, 32644), (1570, 16322), (3140, 8161)]