28740440

素因数分解:

$2^3\times 5^1\times {\mathrm{718511}}^1$

素因数の和:718522

約数の個数: 16

約数和(自身を含む): 64666080

約数和(自身を除く): 35925640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 718511, 1437022, 2874044, 3592555, 5748088, 7185110, 14370220, 28740440]

約数ペア:

[(1, 28740440), (2, 14370220), (4, 7185110), (5, 5748088), (8, 3592555), (10, 2874044), (20, 1437022), (40, 718511)]