201812920

素因数分解:

$2^3\times 5^1\times {\mathrm{569}}^1\times {\mathrm{8867}}^1$

素因数の和:9447

約数の個数: 32

約数和(自身を含む): 454928400

約数和(自身を除く): 253115480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 569, 1138, 2276, 2845, 4552, 5690, 8867, 11380, 17734, 22760, 35468, 44335, 70936, 88670, 177340, 354680, 5045323, 10090646, 20181292, 25226615, 40362584, 50453230, 100906460, 201812920]

約数ペア:

[(1, 201812920), (2, 100906460), (4, 50453230), (5, 40362584), (8, 25226615), (10, 20181292), (20, 10090646), (40, 5045323), (569, 354680), (1138, 177340), (2276, 88670), (2845, 70936), (4552, 44335), (5690, 35468), (8867, 22760), (11380, 17734)]