87215676220

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{977}}^1\times {\mathrm{103801}}^1$

素因数の和:104830

約数の個数: 48

約数和(自身を含む): 187605921888

約数和(自身を除く): 100390245668

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 977, 1954, 3908, 4885, 9770, 19540, 42011, 84022, 103801, 168044, 207602, 210055, 415204, 420110, 519005, 840220, 1038010, 2076020, 4463443, 8926886, 17853772, 22317215, 44634430, 89268860, 101413577, 202827154, 405654308, 507067885, 1014135770, 2028271540, 4360783811, 8721567622, 17443135244, 21803919055, 43607838110, 87215676220]

約数ペア:

[(1, 87215676220), (2, 43607838110), (4, 21803919055), (5, 17443135244), (10, 8721567622), (20, 4360783811), (43, 2028271540), (86, 1014135770), (172, 507067885), (215, 405654308), (430, 202827154), (860, 101413577), (977, 89268860), (1954, 44634430), (3908, 22317215), (4885, 17853772), (9770, 8926886), (19540, 4463443), (42011, 2076020), (84022, 1038010), (103801, 840220), (168044, 519005), (207602, 420110), (210055, 415204)]