80440336

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{56489}}^1$

素因数の和:56586

約数の個数: 20

約数和(自身を含む): 157607100

約数和(自身を除く): 77166764

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 56489, 112978, 225956, 451912, 903824, 5027521, 10055042, 20110084, 40220168, 80440336]

約数ペア:

[(1, 80440336), (2, 40220168), (4, 20110084), (8, 10055042), (16, 5027521), (89, 903824), (178, 451912), (356, 225956), (712, 112978), (1424, 56489)]