28406960

素因数分解:

$2^4\times 5^1\times {\mathrm{355087}}^1$

素因数の和:355100

約数の個数: 20

約数和(自身を含む): 66046368

約数和(自身を除く): 37639408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 355087, 710174, 1420348, 1775435, 2840696, 3550870, 5681392, 7101740, 14203480, 28406960]

約数ペア:

[(1, 28406960), (2, 14203480), (4, 7101740), (5, 5681392), (8, 3550870), (10, 2840696), (16, 1775435), (20, 1420348), (40, 710174), (80, 355087)]