25665220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{26189}}^1$

素因数の和:26212

約数の個数: 36

約数和(自身を含む): 62698860

約数和(自身を除く): 37033640

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 26189, 52378, 104756, 130945, 183323, 261890, 366646, 523780, 733292, 916615, 1283261, 1833230, 2566522, 3666460, 5133044, 6416305, 12832610, 25665220]

約数ペア:

[(1, 25665220), (2, 12832610), (4, 6416305), (5, 5133044), (7, 3666460), (10, 2566522), (14, 1833230), (20, 1283261), (28, 916615), (35, 733292), (49, 523780), (70, 366646), (98, 261890), (140, 183323), (196, 130945), (245, 104756), (490, 52378), (980, 26189)]