20162581840

素因数分解:

$2^4\times 5^1\times {\mathrm{2477}}^1\times {\mathrm{101749}}^1$

素因数の和:104239

約数の個数: 40

約数和(自身を含む): 46897389000

約数和(自身を除く): 26734807160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2477, 4954, 9908, 12385, 19816, 24770, 39632, 49540, 99080, 101749, 198160, 203498, 406996, 508745, 813992, 1017490, 1627984, 2034980, 4069960, 8139920, 252032273, 504064546, 1008129092, 1260161365, 2016258184, 2520322730, 4032516368, 5040645460, 10081290920, 20162581840]

約数ペア:

[(1, 20162581840), (2, 10081290920), (4, 5040645460), (5, 4032516368), (8, 2520322730), (10, 2016258184), (16, 1260161365), (20, 1008129092), (40, 504064546), (80, 252032273), (2477, 8139920), (4954, 4069960), (9908, 2034980), (12385, 1627984), (19816, 1017490), (24770, 813992), (39632, 508745), (49540, 406996), (99080, 203498), (101749, 198160)]