91082120

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{10211}}^1$

素因数の和:10445

約数の個数: 32

約数和(自身を含む): 205873920

約数和(自身を除く): 114791800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 4460, 8920, 10211, 20422, 40844, 51055, 81688, 102110, 204220, 408440, 2277053, 4554106, 9108212, 11385265, 18216424, 22770530, 45541060, 91082120]

約数ペア:

[(1, 91082120), (2, 45541060), (4, 22770530), (5, 18216424), (8, 11385265), (10, 9108212), (20, 4554106), (40, 2277053), (223, 408440), (446, 204220), (892, 102110), (1115, 81688), (1784, 51055), (2230, 40844), (4460, 20422), (8920, 10211)]