64748080

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{11087}}^1$

素因数の和:11173

約数の個数: 40

約数和(自身を含む): 152615232

約数和(自身を除く): 87867152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 5840, 11087, 22174, 44348, 55435, 88696, 110870, 177392, 221740, 443480, 809351, 886960, 1618702, 3237404, 4046755, 6474808, 8093510, 12949616, 16187020, 32374040, 64748080]

約数ペア:

[(1, 64748080), (2, 32374040), (4, 16187020), (5, 12949616), (8, 8093510), (10, 6474808), (16, 4046755), (20, 3237404), (40, 1618702), (73, 886960), (80, 809351), (146, 443480), (292, 221740), (365, 177392), (584, 110870), (730, 88696), (1168, 55435), (1460, 44348), (2920, 22174), (5840, 11087)]