1298049320

素因数分解:

$2^3\times 5^1\times {\mathrm{32451233}}^1$

素因数の和:32451244

約数の個数: 16

約数和(自身を含む): 2920611060

約数和(自身を除く): 1622561740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 32451233, 64902466, 129804932, 162256165, 259609864, 324512330, 649024660, 1298049320]

約数ペア:

[(1, 1298049320), (2, 649024660), (4, 324512330), (5, 259609864), (8, 162256165), (10, 129804932), (20, 64902466), (40, 32451233)]