55470520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{198109}}^1$

素因数の和:198127

約数の個数: 32

約数和(自身を含む): 142639200

約数和(自身を除く): 87168680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 198109, 396218, 792436, 990545, 1386763, 1584872, 1981090, 2773526, 3962180, 5547052, 6933815, 7924360, 11094104, 13867630, 27735260, 55470520]

約数ペア:

[(1, 55470520), (2, 27735260), (4, 13867630), (5, 11094104), (7, 7924360), (8, 6933815), (10, 5547052), (14, 3962180), (20, 2773526), (28, 1981090), (35, 1584872), (40, 1386763), (56, 990545), (70, 792436), (140, 396218), (280, 198109)]