51440350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{79139}}^1$

素因数の和:79164

約数の個数: 24

約数和(自身を含む): 103040280

約数和(自身を除く): 51599930

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 79139, 158278, 395695, 791390, 1028807, 1978475, 2057614, 3956950, 5144035, 10288070, 25720175, 51440350]

約数ペア:

[(1, 51440350), (2, 25720175), (5, 10288070), (10, 5144035), (13, 3956950), (25, 2057614), (26, 1978475), (50, 1028807), (65, 791390), (130, 395695), (325, 158278), (650, 79139)]