38242220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61681}}^1$

素因数の和:61721

約数の個数: 24

約数和(自身を含む): 82900608

約数和(自身を除く): 44658388

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 61681, 123362, 246724, 308405, 616810, 1233620, 1912111, 3824222, 7648444, 9560555, 19121110, 38242220]

約数ペア:

[(1, 38242220), (2, 19121110), (4, 9560555), (5, 7648444), (10, 3824222), (20, 1912111), (31, 1233620), (62, 616810), (124, 308405), (155, 246724), (310, 123362), (620, 61681)]