28928360

素因数分解:

$2^3\times 5^1\times {\mathrm{723209}}^1$

素因数の和:723220

約数の個数: 16

約数和(自身を含む): 65088900

約数和(自身を除く): 36160540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 723209, 1446418, 2892836, 3616045, 5785672, 7232090, 14464180, 28928360]

約数ペア:

[(1, 28928360), (2, 14464180), (4, 7232090), (5, 5785672), (8, 3616045), (10, 2892836), (20, 1446418), (40, 723209)]