64304080

素因数分解:

$2^4\times 5^1\times {\mathrm{359}}^1\times {\mathrm{2239}}^1$

素因数の和:2611

約数の個数: 40

約数和(自身を含む): 149990400

約数和(自身を除く): 85686320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 359, 718, 1436, 1795, 2239, 2872, 3590, 4478, 5744, 7180, 8956, 11195, 14360, 17912, 22390, 28720, 35824, 44780, 89560, 179120, 803801, 1607602, 3215204, 4019005, 6430408, 8038010, 12860816, 16076020, 32152040, 64304080]

約数ペア:

[(1, 64304080), (2, 32152040), (4, 16076020), (5, 12860816), (8, 8038010), (10, 6430408), (16, 4019005), (20, 3215204), (40, 1607602), (80, 803801), (359, 179120), (718, 89560), (1436, 44780), (1795, 35824), (2239, 28720), (2872, 22390), (3590, 17912), (4478, 14360), (5744, 11195), (7180, 8956)]