1208487920

素因数分解:

$2^4\times 5^1\times {\mathrm{1621}}^1\times {\mathrm{9319}}^1$

素因数の和:10953

約数の個数: 40

約数和(自身を含む): 2811769440

約数和(自身を除く): 1603281520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1621, 3242, 6484, 8105, 9319, 12968, 16210, 18638, 25936, 32420, 37276, 46595, 64840, 74552, 93190, 129680, 149104, 186380, 372760, 745520, 15106099, 30212198, 60424396, 75530495, 120848792, 151060990, 241697584, 302121980, 604243960, 1208487920]

約数ペア:

[(1, 1208487920), (2, 604243960), (4, 302121980), (5, 241697584), (8, 151060990), (10, 120848792), (16, 75530495), (20, 60424396), (40, 30212198), (80, 15106099), (1621, 745520), (3242, 372760), (6484, 186380), (8105, 149104), (9319, 129680), (12968, 93190), (16210, 74552), (18638, 64840), (25936, 46595), (32420, 37276)]