67651960

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{11351}}^1$

素因数の和:11511

約数の個数: 32

約数和(自身を含む): 153252000

約数和(自身を除く): 85600040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 5960, 11351, 22702, 45404, 56755, 90808, 113510, 227020, 454040, 1691299, 3382598, 6765196, 8456495, 13530392, 16912990, 33825980, 67651960]

約数ペア:

[(1, 67651960), (2, 33825980), (4, 16912990), (5, 13530392), (8, 8456495), (10, 6765196), (20, 3382598), (40, 1691299), (149, 454040), (298, 227020), (596, 113510), (745, 90808), (1192, 56755), (1490, 45404), (2980, 22702), (5960, 11351)]