8144587580

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1319}}^1\times {\mathrm{3469}}^1$

素因数の和:4886

約数の個数: 48

約数和(自身を含む): 17313912000

約数和(自身を除く): 9169324420

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1319, 1780, 2638, 3469, 5276, 6595, 6938, 13190, 13876, 17345, 26380, 34690, 69380, 117391, 234782, 308741, 469564, 586955, 617482, 1173910, 1234964, 1543705, 2347820, 3087410, 4575611, 6174820, 9151222, 18302444, 22878055, 45756110, 91512220, 407229379, 814458758, 1628917516, 2036146895, 4072293790, 8144587580]

約数ペア:

[(1, 8144587580), (2, 4072293790), (4, 2036146895), (5, 1628917516), (10, 814458758), (20, 407229379), (89, 91512220), (178, 45756110), (356, 22878055), (445, 18302444), (890, 9151222), (1319, 6174820), (1780, 4575611), (2638, 3087410), (3469, 2347820), (5276, 1543705), (6595, 1234964), (6938, 1173910), (13190, 617482), (13876, 586955), (17345, 469564), (26380, 308741), (34690, 234782), (69380, 117391)]