39897820

素因数分解:

$2^2\times 5^1\times {\mathrm{797}}^1\times {\mathrm{2503}}^1$

素因数の和:3309

約数の個数: 24

約数和(自身を含む): 83924064

約数和(自身を除く): 44026244

約数列:

[1, 2, 4, 5, 10, 20, 797, 1594, 2503, 3188, 3985, 5006, 7970, 10012, 12515, 15940, 25030, 50060, 1994891, 3989782, 7979564, 9974455, 19948910, 39897820]

約数ペア:

[(1, 39897820), (2, 19948910), (4, 9974455), (5, 7979564), (10, 3989782), (20, 1994891), (797, 50060), (1594, 25030), (2503, 15940), (3188, 12515), (3985, 10012), (5006, 7970)]