81890180

素因数分解:

$2^2\times 5^1\times {\mathrm{233}}^1\times {\mathrm{17573}}^1$

素因数の和:17815

約数の個数: 24

約数和(自身を含む): 172717272

約数和(自身を除く): 90827092

約数列:

[1, 2, 4, 5, 10, 20, 233, 466, 932, 1165, 2330, 4660, 17573, 35146, 70292, 87865, 175730, 351460, 4094509, 8189018, 16378036, 20472545, 40945090, 81890180]

約数ペア:

[(1, 81890180), (2, 40945090), (4, 20472545), (5, 16378036), (10, 8189018), (20, 4094509), (233, 351460), (466, 175730), (932, 87865), (1165, 70292), (2330, 35146), (4660, 17573)]