82436720

素因数分解:

$2^4\times 5^1\times {\mathrm{569}}^1\times {\mathrm{1811}}^1$

素因数の和:2393

約数の個数: 40

約数和(自身を含む): 192108240

約数和(自身を除く): 109671520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 569, 1138, 1811, 2276, 2845, 3622, 4552, 5690, 7244, 9055, 9104, 11380, 14488, 18110, 22760, 28976, 36220, 45520, 72440, 144880, 1030459, 2060918, 4121836, 5152295, 8243672, 10304590, 16487344, 20609180, 41218360, 82436720]

約数ペア:

[(1, 82436720), (2, 41218360), (4, 20609180), (5, 16487344), (8, 10304590), (10, 8243672), (16, 5152295), (20, 4121836), (40, 2060918), (80, 1030459), (569, 144880), (1138, 72440), (1811, 45520), (2276, 36220), (2845, 28976), (3622, 22760), (4552, 18110), (5690, 14488), (7244, 11380), (9055, 9104)]