131986240

素因数分解:

$2^6\times 5^1\times {\mathrm{412457}}^1$

素因数の和:412474

約数の個数: 28

約数和(自身を含む): 314292996

約数和(自身を除く): 182306756

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 412457, 824914, 1649828, 2062285, 3299656, 4124570, 6599312, 8249140, 13198624, 16498280, 26397248, 32996560, 65993120, 131986240]

約数ペア:

[(1, 131986240), (2, 65993120), (4, 32996560), (5, 26397248), (8, 16498280), (10, 13198624), (16, 8249140), (20, 6599312), (32, 4124570), (40, 3299656), (64, 2062285), (80, 1649828), (160, 824914), (320, 412457)]