20814720250

素因数分解:

$2^1\times 5^3\times {\mathrm{83258881}}^1$

素因数の和:83258898

約数の個数: 16

約数和(自身を含む): 38965156776

約数和(自身を除く): 18150436526

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 83258881, 166517762, 416294405, 832588810, 2081472025, 4162944050, 10407360125, 20814720250]

約数ペア:

[(1, 20814720250), (2, 10407360125), (5, 4162944050), (10, 2081472025), (25, 832588810), (50, 416294405), (125, 166517762), (250, 83258881)]