42390820

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{18757}}^1$

素因数の和:18879

約数の個数: 24

約数和(自身を含む): 89813304

約数和(自身を除く): 47422484

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 18757, 37514, 75028, 93785, 187570, 375140, 2119541, 4239082, 8478164, 10597705, 21195410, 42390820]

約数ペア:

[(1, 42390820), (2, 21195410), (4, 10597705), (5, 8478164), (10, 4239082), (20, 2119541), (113, 375140), (226, 187570), (452, 93785), (565, 75028), (1130, 37514), (2260, 18757)]