1405962025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{827}}^1\times {\mathrm{5231}}^1$

素因数の和:6081

約数の個数: 24

約数和(自身を含む): 1880129664

約数和(自身を除く): 474167639

約数列:

[1, 5, 13, 25, 65, 325, 827, 4135, 5231, 10751, 20675, 26155, 53755, 68003, 130775, 268775, 340015, 1700075, 4326037, 21630185, 56238481, 108150925, 281192405, 1405962025]

約数ペア:

[(1, 1405962025), (5, 281192405), (13, 108150925), (25, 56238481), (65, 21630185), (325, 4326037), (827, 1700075), (4135, 340015), (5231, 268775), (10751, 130775), (20675, 68003), (26155, 53755)]