20194394750

素因数分解:

$2^1\times 5^3\times {\mathrm{79}}^1\times {\mathrm{1022501}}^1$

素因数の和:1022597

約数の個数: 32

約数和(自身を含む): 38282474880

約数和(自身を除く): 18088080130

約数列:

[1, 2, 5, 10, 25, 50, 79, 125, 158, 250, 395, 790, 1975, 3950, 9875, 19750, 1022501, 2045002, 5112505, 10225010, 25562525, 51125050, 80777579, 127812625, 161555158, 255625250, 403887895, 807775790, 2019439475, 4038878950, 10097197375, 20194394750]

約数ペア:

[(1, 20194394750), (2, 10097197375), (5, 4038878950), (10, 2019439475), (25, 807775790), (50, 403887895), (79, 255625250), (125, 161555158), (158, 127812625), (250, 80777579), (395, 51125050), (790, 25562525), (1975, 10225010), (3950, 5112505), (9875, 2045002), (19750, 1022501)]