83142440

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{9851}}^1$

素因数の和:10073

約数の個数: 32

約数和(自身を含む): 187976160

約数和(自身を除く): 104833720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 8440, 9851, 19702, 39404, 49255, 78808, 98510, 197020, 394040, 2078561, 4157122, 8314244, 10392805, 16628488, 20785610, 41571220, 83142440]

約数ペア:

[(1, 83142440), (2, 41571220), (4, 20785610), (5, 16628488), (8, 10392805), (10, 8314244), (20, 4157122), (40, 2078561), (211, 394040), (422, 197020), (844, 98510), (1055, 78808), (1688, 49255), (2110, 39404), (4220, 19702), (8440, 9851)]