38881840

素因数分解:

$2^4\times 5^1\times {\mathrm{486023}}^1$

素因数の和:486036

約数の個数: 20

約数和(自身を含む): 90400464

約数和(自身を除く): 51518624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 486023, 972046, 1944092, 2430115, 3888184, 4860230, 7776368, 9720460, 19440920, 38881840]

約数ペア:

[(1, 38881840), (2, 19440920), (4, 9720460), (5, 7776368), (8, 4860230), (10, 3888184), (16, 2430115), (20, 1944092), (40, 972046), (80, 486023)]