15220880

素因数分解:

$2^4\times 5^1\times {\mathrm{190261}}^1$

素因数の和:190274

約数の個数: 20

約数和(自身を含む): 35388732

約数和(自身を除く): 20167852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 190261, 380522, 761044, 951305, 1522088, 1902610, 3044176, 3805220, 7610440, 15220880]

約数ペア:

[(1, 15220880), (2, 7610440), (4, 3805220), (5, 3044176), (8, 1902610), (10, 1522088), (16, 951305), (20, 761044), (40, 380522), (80, 190261)]