109890160

素因数分解:

$2^4\times 5^1\times {\mathrm{1373627}}^1$

素因数の和:1373640

約数の個数: 20

約数和(自身を含む): 255494808

約数和(自身を除く): 145604648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1373627, 2747254, 5494508, 6868135, 10989016, 13736270, 21978032, 27472540, 54945080, 109890160]

約数ペア:

[(1, 109890160), (2, 54945080), (4, 27472540), (5, 21978032), (8, 13736270), (10, 10989016), (16, 6868135), (20, 5494508), (40, 2747254), (80, 1373627)]