26981560

素因数分解:

$2^3\times 5^1\times {\mathrm{631}}^1\times {\mathrm{1069}}^1$

素因数の和:1711

約数の個数: 32

約数和(自身を含む): 60861600

約数和(自身を除く): 33880040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 631, 1069, 1262, 2138, 2524, 3155, 4276, 5048, 5345, 6310, 8552, 10690, 12620, 21380, 25240, 42760, 674539, 1349078, 2698156, 3372695, 5396312, 6745390, 13490780, 26981560]

約数ペア:

[(1, 26981560), (2, 13490780), (4, 6745390), (5, 5396312), (8, 3372695), (10, 2698156), (20, 1349078), (40, 674539), (631, 42760), (1069, 25240), (1262, 21380), (2138, 12620), (2524, 10690), (3155, 8552), (4276, 6310), (5048, 5345)]