85123160

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{23911}}^1$

素因数の和:24011

約数の個数: 32

約数和(自身を含む): 193687200

約数和(自身を除く): 108564040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 23911, 47822, 95644, 119555, 191288, 239110, 478220, 956440, 2128079, 4256158, 8512316, 10640395, 17024632, 21280790, 42561580, 85123160]

約数ペア:

[(1, 85123160), (2, 42561580), (4, 21280790), (5, 17024632), (8, 10640395), (10, 8512316), (20, 4256158), (40, 2128079), (89, 956440), (178, 478220), (356, 239110), (445, 191288), (712, 119555), (890, 95644), (1780, 47822), (3560, 23911)]