1305200180

素因数分解:

$2^2\times 5^1\times {\mathrm{2099}}^1\times {\mathrm{31091}}^1$

素因数の和:33199

約数の個数: 24

約数和(自身を含む): 2742314400

約数和(自身を除く): 1437114220

約数列:

[1, 2, 4, 5, 10, 20, 2099, 4198, 8396, 10495, 20990, 31091, 41980, 62182, 124364, 155455, 310910, 621820, 65260009, 130520018, 261040036, 326300045, 652600090, 1305200180]

約数ペア:

[(1, 1305200180), (2, 652600090), (4, 326300045), (5, 261040036), (10, 130520018), (20, 65260009), (2099, 621820), (4198, 310910), (8396, 155455), (10495, 124364), (20990, 62182), (31091, 41980)]