39303920

素因数分解:

$2^4\times 5^1\times {\mathrm{491299}}^1$

素因数の和:491312

約数の個数: 20

約数和(自身を含む): 91381800

約数和(自身を除く): 52077880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 491299, 982598, 1965196, 2456495, 3930392, 4912990, 7860784, 9825980, 19651960, 39303920]

約数ペア:

[(1, 39303920), (2, 19651960), (4, 9825980), (5, 7860784), (8, 4912990), (10, 3930392), (16, 2456495), (20, 1965196), (40, 982598), (80, 491299)]