82208840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{293603}}^1$

素因数の和:293621

約数の個数: 32

約数和(自身を含む): 211394880

約数和(自身を除く): 129186040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 293603, 587206, 1174412, 1468015, 2055221, 2348824, 2936030, 4110442, 5872060, 8220884, 10276105, 11744120, 16441768, 20552210, 41104420, 82208840]

約数ペア:

[(1, 82208840), (2, 41104420), (4, 20552210), (5, 16441768), (7, 11744120), (8, 10276105), (10, 8220884), (14, 5872060), (20, 4110442), (28, 2936030), (35, 2348824), (40, 2055221), (56, 1468015), (70, 1174412), (140, 587206), (280, 293603)]