2018264540

素因数分解:

$2^2\times 5^1\times {\mathrm{4049}}^1\times {\mathrm{24923}}^1$

素因数の和:28981

約数の個数: 24

約数和(自身を含む): 4239572400

約数和(自身を除く): 2221307860

約数列:

[1, 2, 4, 5, 10, 20, 4049, 8098, 16196, 20245, 24923, 40490, 49846, 80980, 99692, 124615, 249230, 498460, 100913227, 201826454, 403652908, 504566135, 1009132270, 2018264540]

約数ペア:

[(1, 2018264540), (2, 1009132270), (4, 504566135), (5, 403652908), (10, 201826454), (20, 100913227), (4049, 498460), (8098, 249230), (16196, 124615), (20245, 99692), (24923, 80980), (40490, 49846)]