82776880

素因数分解:

$2^4\times 5^1\times {\mathrm{809}}^1\times {\mathrm{1279}}^1$

素因数の和:2101

約数の個数: 40

約数和(自身を含む): 192844800

約数和(自身を除く): 110067920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 809, 1279, 1618, 2558, 3236, 4045, 5116, 6395, 6472, 8090, 10232, 12790, 12944, 16180, 20464, 25580, 32360, 51160, 64720, 102320, 1034711, 2069422, 4138844, 5173555, 8277688, 10347110, 16555376, 20694220, 41388440, 82776880]

約数ペア:

[(1, 82776880), (2, 41388440), (4, 20694220), (5, 16555376), (8, 10347110), (10, 8277688), (16, 5173555), (20, 4138844), (40, 2069422), (80, 1034711), (809, 102320), (1279, 64720), (1618, 51160), (2558, 32360), (3236, 25580), (4045, 20464), (5116, 16180), (6395, 12944), (6472, 12790), (8090, 10232)]