164902240

素因数分解:

$2^5\times 5^1\times {\mathrm{1030639}}^1$

素因数の和:1030654

約数の個数: 24

約数和(自身を含む): 389581920

約数和(自身を除く): 224679680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1030639, 2061278, 4122556, 5153195, 8245112, 10306390, 16490224, 20612780, 32980448, 41225560, 82451120, 164902240]

約数ペア:

[(1, 164902240), (2, 82451120), (4, 41225560), (5, 32980448), (8, 20612780), (10, 16490224), (16, 10306390), (20, 8245112), (32, 5153195), (40, 4122556), (80, 2061278), (160, 1030639)]