51978040

素因数分解:

$2^3\times 5^1\times {\mathrm{1299451}}^1$

素因数の和:1299462

約数の個数: 16

約数和(自身を含む): 116950680

約数和(自身を除く): 64972640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1299451, 2598902, 5197804, 6497255, 10395608, 12994510, 25989020, 51978040]

約数ペア:

[(1, 51978040), (2, 25989020), (4, 12994510), (5, 10395608), (8, 6497255), (10, 5197804), (20, 2598902), (40, 1299451)]