42688820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{112339}}^1$

素因数の和:112367

約数の個数: 24

約数和(自身を含む): 94365600

約数和(自身を除く): 51676780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 112339, 224678, 449356, 561695, 1123390, 2134441, 2246780, 4268882, 8537764, 10672205, 21344410, 42688820]

約数ペア:

[(1, 42688820), (2, 21344410), (4, 10672205), (5, 8537764), (10, 4268882), (19, 2246780), (20, 2134441), (38, 1123390), (76, 561695), (95, 449356), (190, 224678), (380, 112339)]