1738672720

素因数分解:

$2^4\times 5^1\times {\mathrm{21733409}}^1$

素因数の和:21733422

約数の個数: 20

約数和(自身を含む): 4042414260

約数和(自身を除く): 2303741540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 21733409, 43466818, 86933636, 108667045, 173867272, 217334090, 347734544, 434668180, 869336360, 1738672720]

約数ペア:

[(1, 1738672720), (2, 869336360), (4, 434668180), (5, 347734544), (8, 217334090), (10, 173867272), (16, 108667045), (20, 86933636), (40, 43466818), (80, 21733409)]