25358020

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{5261}}^1$

素因数の和:5511

約数の個数: 24

約数和(自身を含む): 53482968

約数和(自身を除く): 28124948

約数列:

[1, 2, 4, 5, 10, 20, 241, 482, 964, 1205, 2410, 4820, 5261, 10522, 21044, 26305, 52610, 105220, 1267901, 2535802, 5071604, 6339505, 12679010, 25358020]

約数ペア:

[(1, 25358020), (2, 12679010), (4, 6339505), (5, 5071604), (10, 2535802), (20, 1267901), (241, 105220), (482, 52610), (964, 26305), (1205, 21044), (2410, 10522), (4820, 5261)]