2543540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{7481}}^1$

素因数の和:7507

約数の個数: 24

約数和(自身を含む): 5656392

約数和(自身を除く): 3112852

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 7481, 14962, 29924, 37405, 74810, 127177, 149620, 254354, 508708, 635885, 1271770, 2543540]

約数ペア:

[(1, 2543540), (2, 1271770), (4, 635885), (5, 508708), (10, 254354), (17, 149620), (20, 127177), (34, 74810), (68, 37405), (85, 29924), (170, 14962), (340, 7481)]