129766160

素因数分解:

$2^4\times 5^1\times {\mathrm{1622077}}^1$

素因数の和:1622090

約数の個数: 20

約数和(自身を含む): 301706508

約数和(自身を除く): 171940348

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1622077, 3244154, 6488308, 8110385, 12976616, 16220770, 25953232, 32441540, 64883080, 129766160]

約数ペア:

[(1, 129766160), (2, 64883080), (4, 32441540), (5, 25953232), (8, 16220770), (10, 12976616), (16, 8110385), (20, 6488308), (40, 3244154), (80, 1622077)]