220269080

素因数分解:

$2^3\times 5^1\times {\mathrm{5506727}}^1$

素因数の和:5506738

約数の個数: 16

約数和(自身を含む): 495605520

約数和(自身を除く): 275336440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5506727, 11013454, 22026908, 27533635, 44053816, 55067270, 110134540, 220269080]

約数ペア:

[(1, 220269080), (2, 110134540), (4, 55067270), (5, 44053816), (8, 27533635), (10, 22026908), (20, 11013454), (40, 5506727)]