7538780

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5309}}^1$

素因数の和:5389

約数の個数: 24

約数和(自身を含む): 16057440

約数和(自身を除く): 8518660

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 5309, 10618, 21236, 26545, 53090, 106180, 376939, 753878, 1507756, 1884695, 3769390, 7538780]

約数ペア:

[(1, 7538780), (2, 3769390), (4, 1884695), (5, 1507756), (10, 753878), (20, 376939), (71, 106180), (142, 53090), (284, 26545), (355, 21236), (710, 10618), (1420, 5309)]