168681440

素因数分解:

$2^5\times 5^1\times {\mathrm{1054259}}^1$

素因数の和:1054274

約数の個数: 24

約数和(自身を含む): 398510280

約数和(自身を除く): 229828840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1054259, 2108518, 4217036, 5271295, 8434072, 10542590, 16868144, 21085180, 33736288, 42170360, 84340720, 168681440]

約数ペア:

[(1, 168681440), (2, 84340720), (4, 42170360), (5, 33736288), (8, 21085180), (10, 16868144), (16, 10542590), (20, 8434072), (32, 5271295), (40, 4217036), (80, 2108518), (160, 1054259)]