27451250

素因数分解:

$2^1\times 5^4\times {\mathrm{21961}}^1$

素因数の和:21983

約数の個数: 20

約数和(自身を含む): 51456966

約数和(自身を除く): 24005716

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 21961, 43922, 109805, 219610, 549025, 1098050, 2745125, 5490250, 13725625, 27451250]

約数ペア:

[(1, 27451250), (2, 13725625), (5, 5490250), (10, 2745125), (25, 1098050), (50, 549025), (125, 219610), (250, 109805), (625, 43922), (1250, 21961)]