528028780

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{65839}}^1$

素因数の和:66249

約数の個数: 24

約数和(自身を含む): 1111642560

約数和(自身を除く): 583613780

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1604, 2005, 4010, 8020, 65839, 131678, 263356, 329195, 658390, 1316780, 26401439, 52802878, 105605756, 132007195, 264014390, 528028780]

約数ペア:

[(1, 528028780), (2, 264014390), (4, 132007195), (5, 105605756), (10, 52802878), (20, 26401439), (401, 1316780), (802, 658390), (1604, 329195), (2005, 263356), (4010, 131678), (8020, 65839)]