39301840

素因数分解:

$2^4\times 5^1\times {\mathrm{491273}}^1$

素因数の和:491286

約数の個数: 20

約数和(自身を含む): 91376964

約数和(自身を除く): 52075124

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 491273, 982546, 1965092, 2456365, 3930184, 4912730, 7860368, 9825460, 19650920, 39301840]

約数ペア:

[(1, 39301840), (2, 19650920), (4, 9825460), (5, 7860368), (8, 4912730), (10, 3930184), (16, 2456365), (20, 1965092), (40, 982546), (80, 491273)]