165331480

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{40129}}^1$

素因数の和:40243

約数の個数: 32

約数和(自身を含む): 375616800

約数和(自身を除く): 210285320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 40129, 80258, 160516, 200645, 321032, 401290, 802580, 1605160, 4133287, 8266574, 16533148, 20666435, 33066296, 41332870, 82665740, 165331480]

約数ペア:

[(1, 165331480), (2, 82665740), (4, 41332870), (5, 33066296), (8, 20666435), (10, 16533148), (20, 8266574), (40, 4133287), (103, 1605160), (206, 802580), (412, 401290), (515, 321032), (824, 200645), (1030, 160516), (2060, 80258), (4120, 40129)]