20410160

素因数分解:

$2^4\times 5^1\times {\mathrm{255127}}^1$

素因数の和:255140

約数の個数: 20

約数和(自身を含む): 47453808

約数和(自身を除く): 27043648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 255127, 510254, 1020508, 1275635, 2041016, 2551270, 4082032, 5102540, 10205080, 20410160]

約数ペア:

[(1, 20410160), (2, 10205080), (4, 5102540), (5, 4082032), (8, 2551270), (10, 2041016), (16, 1275635), (20, 1020508), (40, 510254), (80, 255127)]