28201900

素因数分解:

$2^2\times 5^2\times {\mathrm{282019}}^1$

素因数の和:282033

約数の個数: 18

約数和(自身を含む): 61198340

約数和(自身を除く): 32996440

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 282019, 564038, 1128076, 1410095, 2820190, 5640380, 7050475, 14100950, 28201900]

約数ペア:

[(1, 28201900), (2, 14100950), (4, 7050475), (5, 5640380), (10, 2820190), (20, 1410095), (25, 1128076), (50, 564038), (100, 282019)]