127847920

素因数分解:

$2^4\times 5^1\times {\mathrm{1598099}}^1$

素因数の和:1598112

約数の個数: 20

約数和(自身を含む): 297246600

約数和(自身を除く): 169398680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1598099, 3196198, 6392396, 7990495, 12784792, 15980990, 25569584, 31961980, 63923960, 127847920]

約数ペア:

[(1, 127847920), (2, 63923960), (4, 31961980), (5, 25569584), (8, 15980990), (10, 12784792), (16, 7990495), (20, 6392396), (40, 3196198), (80, 1598099)]