205122446740

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{123567739}}^1$

素因数の和:123567831

約数の個数: 24

約数和(自身を含む): 435946986720

約数和(自身を除く): 230824539980

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 123567739, 247135478, 494270956, 617838695, 1235677390, 2471354780, 10256122337, 20512244674, 41024489348, 51280611685, 102561223370, 205122446740]

約数ペア:

[(1, 205122446740), (2, 102561223370), (4, 51280611685), (5, 41024489348), (10, 20512244674), (20, 10256122337), (83, 2471354780), (166, 1235677390), (332, 617838695), (415, 494270956), (830, 247135478), (1660, 123567739)]