2521960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{9007}}^1$

素因数の和:9025

約数の個数: 32

約数和(自身を含む): 6485760

約数和(自身を除く): 3963800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 9007, 18014, 36028, 45035, 63049, 72056, 90070, 126098, 180140, 252196, 315245, 360280, 504392, 630490, 1260980, 2521960]

約数ペア:

[(1, 2521960), (2, 1260980), (4, 630490), (5, 504392), (7, 360280), (8, 315245), (10, 252196), (14, 180140), (20, 126098), (28, 90070), (35, 72056), (40, 63049), (56, 45035), (70, 36028), (140, 18014), (280, 9007)]