55991720

素因数分解:

$2^3\times 5^1\times {\mathrm{1399793}}^1$

素因数の和:1399804

約数の個数: 16

約数和(自身を含む): 125981460

約数和(自身を除く): 69989740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1399793, 2799586, 5599172, 6998965, 11198344, 13997930, 27995860, 55991720]

約数ペア:

[(1, 55991720), (2, 27995860), (4, 13997930), (5, 11198344), (8, 6998965), (10, 5599172), (20, 2799586), (40, 1399793)]