87520225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{5081}}^1$

素因数の和:5157

約数の個数: 24

約数和(自身を含む): 119101752

約数和(自身を除く): 31581527

約数列:

[1, 5, 13, 25, 53, 65, 265, 325, 689, 1325, 3445, 5081, 17225, 25405, 66053, 127025, 269293, 330265, 1346465, 1651325, 3500809, 6732325, 17504045, 87520225]

約数ペア:

[(1, 87520225), (5, 17504045), (13, 6732325), (25, 3500809), (53, 1651325), (65, 1346465), (265, 330265), (325, 269293), (689, 127025), (1325, 66053), (3445, 25405), (5081, 17225)]