28405250

素因数分解:

$2^1\times 5^3\times {\mathrm{113621}}^1$

素因数の和:113638

約数の個数: 16

約数和(自身を含む): 53175096

約数和(自身を除く): 24769846

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 113621, 227242, 568105, 1136210, 2840525, 5681050, 14202625, 28405250]

約数ペア:

[(1, 28405250), (2, 14202625), (5, 5681050), (10, 2840525), (25, 1136210), (50, 568105), (125, 227242), (250, 113621)]