71173720

素因数分解:

$2^3\times 5^1\times {\mathrm{1051}}^1\times {\mathrm{1693}}^1$

素因数の和:2755

約数の個数: 32

約数和(自身を含む): 160387920

約数和(自身を除く): 89214200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1051, 1693, 2102, 3386, 4204, 5255, 6772, 8408, 8465, 10510, 13544, 16930, 21020, 33860, 42040, 67720, 1779343, 3558686, 7117372, 8896715, 14234744, 17793430, 35586860, 71173720]

約数ペア:

[(1, 71173720), (2, 35586860), (4, 17793430), (5, 14234744), (8, 8896715), (10, 7117372), (20, 3558686), (40, 1779343), (1051, 67720), (1693, 42040), (2102, 33860), (3386, 21020), (4204, 16930), (5255, 13544), (6772, 10510), (8408, 8465)]