8972920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20393}}^1$

素因数の和:20415

約数の個数: 32

約数和(自身を含む): 22025520

約数和(自身を除く): 13052600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 20393, 40786, 81572, 101965, 163144, 203930, 224323, 407860, 448646, 815720, 897292, 1121615, 1794584, 2243230, 4486460, 8972920]

約数ペア:

[(1, 8972920), (2, 4486460), (4, 2243230), (5, 1794584), (8, 1121615), (10, 897292), (11, 815720), (20, 448646), (22, 407860), (40, 224323), (44, 203930), (55, 163144), (88, 101965), (110, 81572), (220, 40786), (440, 20393)]