84188990

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{205339}}^1$

素因数の和:205387

約数の個数: 16

約数和(自身を含む): 155237040

約数和(自身を除く): 71048050

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 205339, 410678, 1026695, 2053390, 8418899, 16837798, 42094495, 84188990]

約数ペア:

[(1, 84188990), (2, 42094495), (5, 16837798), (10, 8418899), (41, 2053390), (82, 1026695), (205, 410678), (410, 205339)]