2897760440

素因数分解:

$2^3\times 5^1\times {\mathrm{72444011}}^1$

素因数の和:72444022

約数の個数: 16

約数和(自身を含む): 6519961080

約数和(自身を除く): 3622200640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 72444011, 144888022, 289776044, 362220055, 579552088, 724440110, 1448880220, 2897760440]

約数ペア:

[(1, 2897760440), (2, 1448880220), (4, 724440110), (5, 579552088), (8, 362220055), (10, 289776044), (20, 144888022), (40, 72444011)]