81818200

素因数分解:

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

素因数の和:1636

約数の個数: 48

約数和(自身を含む): 190981080

約数和(自身を除く): 109162880

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 313, 626, 1252, 1307, 1565, 2504, 2614, 3130, 5228, 6260, 6535, 7825, 10456, 12520, 13070, 15650, 26140, 31300, 32675, 52280, 62600, 65350, 130700, 261400, 409091, 818182, 1636364, 2045455, 3272728, 4090910, 8181820, 10227275, 16363640, 20454550, 40909100, 81818200]

約数ペア:

[(1, 81818200), (2, 40909100), (4, 20454550), (5, 16363640), (8, 10227275), (10, 8181820), (20, 4090910), (25, 3272728), (40, 2045455), (50, 1636364), (100, 818182), (200, 409091), (313, 261400), (626, 130700), (1252, 65350), (1307, 62600), (1565, 52280), (2504, 32675), (2614, 31300), (3130, 26140), (5228, 15650), (6260, 13070), (6535, 12520), (7825, 10456)]