2101988080

素因数分解:

$2^4\times 5^1\times {\mathrm{359}}^1\times {\mathrm{73189}}^1$

素因数の和:73561

約数の個数: 40

約数和(自身を含む): 4900802400

約数和(自身を除く): 2798814320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 359, 718, 1436, 1795, 2872, 3590, 5744, 7180, 14360, 28720, 73189, 146378, 292756, 365945, 585512, 731890, 1171024, 1463780, 2927560, 5855120, 26274851, 52549702, 105099404, 131374255, 210198808, 262748510, 420397616, 525497020, 1050994040, 2101988080]

約数ペア:

[(1, 2101988080), (2, 1050994040), (4, 525497020), (5, 420397616), (8, 262748510), (10, 210198808), (16, 131374255), (20, 105099404), (40, 52549702), (80, 26274851), (359, 5855120), (718, 2927560), (1436, 1463780), (1795, 1171024), (2872, 731890), (3590, 585512), (5744, 365945), (7180, 292756), (14360, 146378), (28720, 73189)]