40681490

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{140281}}^1$

素因数の和:140317

約数の個数: 16

約数和(自身を含む): 75752280

約数和(自身を除く): 35070790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 140281, 280562, 701405, 1402810, 4068149, 8136298, 20340745, 40681490]

約数ペア:

[(1, 40681490), (2, 20340745), (5, 8136298), (10, 4068149), (29, 1402810), (58, 701405), (145, 280562), (290, 140281)]