39780010

素因数分解:

$2^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{12791}}^1$

素因数の和:13109

約数の個数: 16

約数和(自身を含む): 71839872

約数和(自身を除く): 32059862

約数列:

[1, 2, 5, 10, 311, 622, 1555, 3110, 12791, 25582, 63955, 127910, 3978001, 7956002, 19890005, 39780010]

約数ペア:

[(1, 39780010), (2, 19890005), (5, 7956002), (10, 3978001), (311, 127910), (622, 63955), (1555, 25582), (3110, 12791)]