84180820

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{53279}}^1$

素因数の和:53367

約数の個数: 24

約数和(自身を含む): 179020800

約数和(自身を除く): 94839980

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 53279, 106558, 213116, 266395, 532790, 1065580, 4209041, 8418082, 16836164, 21045205, 42090410, 84180820]

約数ペア:

[(1, 84180820), (2, 42090410), (4, 21045205), (5, 16836164), (10, 8418082), (20, 4209041), (79, 1065580), (158, 532790), (316, 266395), (395, 213116), (790, 106558), (1580, 53279)]