28243750

素因数分解:

$2^1\times 5^5\times {\mathrm{4519}}^1$

素因数の和:4546

約数の個数: 24

約数和(自身を含む): 52965360

約数和(自身を除く): 24721610

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 3125, 4519, 6250, 9038, 22595, 45190, 112975, 225950, 564875, 1129750, 2824375, 5648750, 14121875, 28243750]

約数ペア:

[(1, 28243750), (2, 14121875), (5, 5648750), (10, 2824375), (25, 1129750), (50, 564875), (125, 225950), (250, 112975), (625, 45190), (1250, 22595), (3125, 9038), (4519, 6250)]