81481250

素因数分解:

$2^1\times 5^5\times {\mathrm{13037}}^1$

素因数の和:13064

約数の個数: 24

約数和(自身を含む): 152779284

約数和(自身を除く): 71298034

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 3125, 6250, 13037, 26074, 65185, 130370, 325925, 651850, 1629625, 3259250, 8148125, 16296250, 40740625, 81481250]

約数ペア:

[(1, 81481250), (2, 40740625), (5, 16296250), (10, 8148125), (25, 3259250), (50, 1629625), (125, 651850), (250, 325925), (625, 130370), (1250, 65185), (3125, 26074), (6250, 13037)]