137421640

素因数分解:

$2^3\times 5^1\times {\mathrm{3435541}}^1$

素因数の和:3435552

約数の個数: 16

約数和(自身を含む): 309198780

約数和(自身を除く): 171777140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3435541, 6871082, 13742164, 17177705, 27484328, 34355410, 68710820, 137421640]

約数ペア:

[(1, 137421640), (2, 68710820), (4, 34355410), (5, 27484328), (8, 17177705), (10, 13742164), (20, 6871082), (40, 3435541)]