65939080

素因数分解:

$2^3\times 5^1\times {\mathrm{571}}^1\times {\mathrm{2887}}^1$

素因数の和:3469

約数の個数: 32

約数和(自身を含む): 148674240

約数和(自身を除く): 82735160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 571, 1142, 2284, 2855, 2887, 4568, 5710, 5774, 11420, 11548, 14435, 22840, 23096, 28870, 57740, 115480, 1648477, 3296954, 6593908, 8242385, 13187816, 16484770, 32969540, 65939080]

約数ペア:

[(1, 65939080), (2, 32969540), (4, 16484770), (5, 13187816), (8, 8242385), (10, 6593908), (20, 3296954), (40, 1648477), (571, 115480), (1142, 57740), (2284, 28870), (2855, 23096), (2887, 22840), (4568, 14435), (5710, 11548), (5774, 11420)]