291201640

素因数分解:

$2^3\times 5^1\times {\mathrm{7280041}}^1$

素因数の和:7280052

約数の個数: 16

約数和(自身を含む): 655203780

約数和(自身を除く): 364002140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 7280041, 14560082, 29120164, 36400205, 58240328, 72800410, 145600820, 291201640]

約数ペア:

[(1, 291201640), (2, 145600820), (4, 72800410), (5, 58240328), (8, 36400205), (10, 29120164), (20, 14560082), (40, 7280041)]