28346320

素因数分解:

$2^4\times 5^1\times {\mathrm{354329}}^1$

素因数の和:354342

約数の個数: 20

約数和(自身を含む): 65905380

約数和(自身を除く): 37559060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 354329, 708658, 1417316, 1771645, 2834632, 3543290, 5669264, 7086580, 14173160, 28346320]

約数ペア:

[(1, 28346320), (2, 14173160), (4, 7086580), (5, 5669264), (8, 3543290), (10, 2834632), (16, 1771645), (20, 1417316), (40, 708658), (80, 354329)]