42756940

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{18919}}^1$

素因数の和:19041

約数の個数: 24

約数和(自身を含む): 90588960

約数和(自身を除く): 47832020

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 18919, 37838, 75676, 94595, 189190, 378380, 2137847, 4275694, 8551388, 10689235, 21378470, 42756940]

約数ペア:

[(1, 42756940), (2, 21378470), (4, 10689235), (5, 8551388), (10, 4275694), (20, 2137847), (113, 378380), (226, 189190), (452, 94595), (565, 75676), (1130, 37838), (2260, 18919)]