2758907080

素因数分解:

$2^3\times 5^1\times {\mathrm{68972677}}^1$

素因数の和:68972688

約数の個数: 16

約数和(自身を含む): 6207541020

約数和(自身を除く): 3448633940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 68972677, 137945354, 275890708, 344863385, 551781416, 689726770, 1379453540, 2758907080]

約数ペア:

[(1, 2758907080), (2, 1379453540), (4, 689726770), (5, 551781416), (8, 344863385), (10, 275890708), (20, 137945354), (40, 68972677)]