163957240

素因数分解:

$2^3\times 5^1\times {\mathrm{337}}^1\times {\mathrm{12163}}^1$

素因数の和:12511

約数の個数: 32

約数和(自身を含む): 370028880

約数和(自身を除く): 206071640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 337, 674, 1348, 1685, 2696, 3370, 6740, 12163, 13480, 24326, 48652, 60815, 97304, 121630, 243260, 486520, 4098931, 8197862, 16395724, 20494655, 32791448, 40989310, 81978620, 163957240]

約数ペア:

[(1, 163957240), (2, 81978620), (4, 40989310), (5, 32791448), (8, 20494655), (10, 16395724), (20, 8197862), (40, 4098931), (337, 486520), (674, 243260), (1348, 121630), (1685, 97304), (2696, 60815), (3370, 48652), (6740, 24326), (12163, 13480)]