89257840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{159389}}^1$

素因数の和:159409

約数の個数: 40

約数和(自身を含む): 237172320

約数和(自身を除く): 147914480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 159389, 318778, 637556, 796945, 1115723, 1275112, 1593890, 2231446, 2550224, 3187780, 4462892, 5578615, 6375560, 8925784, 11157230, 12751120, 17851568, 22314460, 44628920, 89257840]

約数ペア:

[(1, 89257840), (2, 44628920), (4, 22314460), (5, 17851568), (7, 12751120), (8, 11157230), (10, 8925784), (14, 6375560), (16, 5578615), (20, 4462892), (28, 3187780), (35, 2550224), (40, 2231446), (56, 1593890), (70, 1275112), (80, 1115723), (112, 796945), (140, 637556), (280, 318778), (560, 159389)]