80859910

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1\times {\mathrm{431}}^1$

素因数の和:768

約数の個数: 32

約数和(自身を含む): 148459392

約数和(自身を除く): 67599482

約数列:

[1, 2, 5, 10, 73, 146, 257, 365, 431, 514, 730, 862, 1285, 2155, 2570, 4310, 18761, 31463, 37522, 62926, 93805, 110767, 157315, 187610, 221534, 314630, 553835, 1107670, 8085991, 16171982, 40429955, 80859910]

約数ペア:

[(1, 80859910), (2, 40429955), (5, 16171982), (10, 8085991), (73, 1107670), (146, 553835), (257, 314630), (365, 221534), (431, 187610), (514, 157315), (730, 110767), (862, 93805), (1285, 62926), (2155, 37522), (2570, 31463), (4310, 18761)]