87140120

素因数分解:

$2^3\times 5^1\times {\mathrm{1031}}^1\times {\mathrm{2113}}^1$

素因数の和:3155

約数の個数: 32

約数和(自身を含む): 196348320

約数和(自身を除く): 109208200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1031, 2062, 2113, 4124, 4226, 5155, 8248, 8452, 10310, 10565, 16904, 20620, 21130, 41240, 42260, 84520, 2178503, 4357006, 8714012, 10892515, 17428024, 21785030, 43570060, 87140120]

約数ペア:

[(1, 87140120), (2, 43570060), (4, 21785030), (5, 17428024), (8, 10892515), (10, 8714012), (20, 4357006), (40, 2178503), (1031, 84520), (2062, 42260), (2113, 41240), (4124, 21130), (4226, 20620), (5155, 16904), (8248, 10565), (8452, 10310)]