23147780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{28229}}^1$

素因数の和:28279

約数の個数: 24

約数和(自身を含む): 49797720

約数和(自身を除く): 26649940

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 28229, 56458, 112916, 141145, 282290, 564580, 1157389, 2314778, 4629556, 5786945, 11573890, 23147780]

約数ペア:

[(1, 23147780), (2, 11573890), (4, 5786945), (5, 4629556), (10, 2314778), (20, 1157389), (41, 564580), (82, 282290), (164, 141145), (205, 112916), (410, 56458), (820, 28229)]