22561025

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{677}}^1$

素因数の和:761

約数の個数: 24

約数和(自身を含む): 29593344

約数和(自身を除く): 7032319

約数列:

[1, 5, 25, 31, 43, 155, 215, 677, 775, 1075, 1333, 3385, 6665, 16925, 20987, 29111, 33325, 104935, 145555, 524675, 727775, 902441, 4512205, 22561025]

約数ペア:

[(1, 22561025), (5, 4512205), (25, 902441), (31, 727775), (43, 524675), (155, 145555), (215, 104935), (677, 33325), (775, 29111), (1075, 20987), (1333, 16925), (3385, 6665)]