161224040

素因数分解:

$2^3\times 5^1\times {\mathrm{349}}^1\times {\mathrm{11549}}^1$

素因数の和:11909

約数の個数: 32

約数和(自身を含む): 363825000

約数和(自身を除く): 202600960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 349, 698, 1396, 1745, 2792, 3490, 6980, 11549, 13960, 23098, 46196, 57745, 92392, 115490, 230980, 461960, 4030601, 8061202, 16122404, 20153005, 32244808, 40306010, 80612020, 161224040]

約数ペア:

[(1, 161224040), (2, 80612020), (4, 40306010), (5, 32244808), (8, 20153005), (10, 16122404), (20, 8061202), (40, 4030601), (349, 461960), (698, 230980), (1396, 115490), (1745, 92392), (2792, 57745), (3490, 46196), (6980, 23098), (11549, 13960)]