2017668760

素因数分解:

$2^3\times 5^1\times {\mathrm{5653}}^1\times {\mathrm{8923}}^1$

素因数の和:14587

約数の個数: 32

約数和(自身を含む): 4541066640

約数和(自身を除く): 2523397880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5653, 8923, 11306, 17846, 22612, 28265, 35692, 44615, 45224, 56530, 71384, 89230, 113060, 178460, 226120, 356920, 50441719, 100883438, 201766876, 252208595, 403533752, 504417190, 1008834380, 2017668760]

約数ペア:

[(1, 2017668760), (2, 1008834380), (4, 504417190), (5, 403533752), (8, 252208595), (10, 201766876), (20, 100883438), (40, 50441719), (5653, 356920), (8923, 226120), (11306, 178460), (17846, 113060), (22612, 89230), (28265, 71384), (35692, 56530), (44615, 45224)]