16363640

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{1307}}^1$

素因数の和:1631

約数の個数: 32

約数和(自身を含む): 36964080

約数和(自身を除く): 20600440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 1252, 1307, 1565, 2504, 2614, 3130, 5228, 6260, 6535, 10456, 12520, 13070, 26140, 52280, 409091, 818182, 1636364, 2045455, 3272728, 4090910, 8181820, 16363640]

約数ペア:

[(1, 16363640), (2, 8181820), (4, 4090910), (5, 3272728), (8, 2045455), (10, 1636364), (20, 818182), (40, 409091), (313, 52280), (626, 26140), (1252, 13070), (1307, 12520), (1565, 10456), (2504, 6535), (2614, 6260), (3130, 5228)]