1388960060

素因数分解:

$2^2\times 5^1\times {\mathrm{69448003}}^1$

素因数の和:69448012

約数の個数: 12

約数和(自身を含む): 2916816168

約数和(自身を除く): 1527856108

約数列:

[1, 2, 4, 5, 10, 20, 69448003, 138896006, 277792012, 347240015, 694480030, 1388960060]

約数ペア:

[(1, 1388960060), (2, 694480030), (4, 347240015), (5, 277792012), (10, 138896006), (20, 69448003)]