4545565540

素因数分解:

$2^2\times 5^1\times {\mathrm{227278277}}^1$

素因数の和:227278286

約数の個数: 12

約数和(自身を含む): 9545687676

約数和(自身を除く): 5000122136

約数列:

[1, 2, 4, 5, 10, 20, 227278277, 454556554, 909113108, 1136391385, 2272782770, 4545565540]

約数ペア:

[(1, 4545565540), (2, 2272782770), (4, 1136391385), (5, 909113108), (10, 454556554), (20, 227278277)]