202161640

素因数分解:

$2^3\times 5^1\times {\mathrm{1151}}^1\times {\mathrm{4391}}^1$

素因数の和:5553

約数の個数: 32

約数和(自身を含む): 455362560

約数和(自身を除く): 253200920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1151, 2302, 4391, 4604, 5755, 8782, 9208, 11510, 17564, 21955, 23020, 35128, 43910, 46040, 87820, 175640, 5054041, 10108082, 20216164, 25270205, 40432328, 50540410, 101080820, 202161640]

約数ペア:

[(1, 202161640), (2, 101080820), (4, 50540410), (5, 40432328), (8, 25270205), (10, 20216164), (20, 10108082), (40, 5054041), (1151, 175640), (2302, 87820), (4391, 46040), (4604, 43910), (5755, 35128), (8782, 23020), (9208, 21955), (11510, 17564)]