85250780

素因数分解:

$2^2\times 5^1\times {\mathrm{541}}^1\times {\mathrm{7879}}^1$

素因数の和:8429

約数の個数: 24

約数和(自身を含む): 179380320

約数和(自身を除く): 94129540

約数列:

[1, 2, 4, 5, 10, 20, 541, 1082, 2164, 2705, 5410, 7879, 10820, 15758, 31516, 39395, 78790, 157580, 4262539, 8525078, 17050156, 21312695, 42625390, 85250780]

約数ペア:

[(1, 85250780), (2, 42625390), (4, 21312695), (5, 17050156), (10, 8525078), (20, 4262539), (541, 157580), (1082, 78790), (2164, 39395), (2705, 31516), (5410, 15758), (7879, 10820)]