239303920

素因数分解:

$2^4\times 5^1\times {\mathrm{2991299}}^1$

素因数の和:2991312

約数の個数: 20

約数和(自身を含む): 556381800

約数和(自身を除く): 317077880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2991299, 5982598, 11965196, 14956495, 23930392, 29912990, 47860784, 59825980, 119651960, 239303920]

約数ペア:

[(1, 239303920), (2, 119651960), (4, 59825980), (5, 47860784), (8, 29912990), (10, 23930392), (16, 14956495), (20, 11965196), (40, 5982598), (80, 2991299)]