42426940

素因数分解:

$2^2\times 5^1\times {\mathrm{1123}}^1\times {\mathrm{1889}}^1$

素因数の和:3021

約数の個数: 24

約数和(自身を含む): 89223120

約数和(自身を除く): 46796180

約数列:

[1, 2, 4, 5, 10, 20, 1123, 1889, 2246, 3778, 4492, 5615, 7556, 9445, 11230, 18890, 22460, 37780, 2121347, 4242694, 8485388, 10606735, 21213470, 42426940]

約数ペア:

[(1, 42426940), (2, 21213470), (4, 10606735), (5, 8485388), (10, 4242694), (20, 2121347), (1123, 37780), (1889, 22460), (2246, 18890), (3778, 11230), (4492, 9445), (5615, 7556)]