85880980

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{32779}}^1$

素因数の和:32919

約数の個数: 24

約数和(自身を含む): 181732320

約数和(自身を除く): 95851340

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 32779, 65558, 131116, 163895, 327790, 655580, 4294049, 8588098, 17176196, 21470245, 42940490, 85880980]

約数ペア:

[(1, 85880980), (2, 42940490), (4, 21470245), (5, 17176196), (10, 8588098), (20, 4294049), (131, 655580), (262, 327790), (524, 163895), (655, 131116), (1310, 65558), (2620, 32779)]