23139580

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{28219}}^1$

素因数の和:28269

約数の個数: 24

約数和(自身を含む): 49780080

約数和(自身を除く): 26640500

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 28219, 56438, 112876, 141095, 282190, 564380, 1156979, 2313958, 4627916, 5784895, 11569790, 23139580]

約数ペア:

[(1, 23139580), (2, 11569790), (4, 5784895), (5, 4627916), (10, 2313958), (20, 1156979), (41, 564380), (82, 282190), (164, 141095), (205, 112876), (410, 56438), (820, 28219)]