156785055920

素因数分解:

$2^4\times 5^1\times {\mathrm{1959813199}}^1$

素因数の和:1959813212

約数の個数: 20

約数和(自身を含む): 364525255200

約数和(自身を除く): 207740199280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1959813199, 3919626398, 7839252796, 9799065995, 15678505592, 19598131990, 31357011184, 39196263980, 78392527960, 156785055920]

約数ペア:

[(1, 156785055920), (2, 78392527960), (4, 39196263980), (5, 31357011184), (8, 19598131990), (10, 15678505592), (16, 9799065995), (20, 7839252796), (40, 3919626398), (80, 1959813199)]