1728432880

素因数分解:

$2^4\times 5^1\times {\mathrm{21605411}}^1$

素因数の和:21605424

約数の個数: 20

約数和(自身を含む): 4018606632

約数和(自身を除く): 2290173752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 21605411, 43210822, 86421644, 108027055, 172843288, 216054110, 345686576, 432108220, 864216440, 1728432880]

約数ペア:

[(1, 1728432880), (2, 864216440), (4, 432108220), (5, 345686576), (8, 216054110), (10, 172843288), (16, 108027055), (20, 86421644), (40, 43210822), (80, 21605411)]