15198160

素因数分解:

$2^4\times 5^1\times {\mathrm{189977}}^1$

素因数の和:189990

約数の個数: 20

約数和(自身を含む): 35335908

約数和(自身を除く): 20137748

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 189977, 379954, 759908, 949885, 1519816, 1899770, 3039632, 3799540, 7599080, 15198160]

約数ペア:

[(1, 15198160), (2, 7599080), (4, 3799540), (5, 3039632), (8, 1899770), (10, 1519816), (16, 949885), (20, 759908), (40, 379954), (80, 189977)]