128161120

素因数分解:

$2^5\times 5^1\times {\mathrm{801007}}^1$

素因数の和:801022

約数の個数: 24

約数和(自身を含む): 302781024

約数和(自身を除く): 174619904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 801007, 1602014, 3204028, 4005035, 6408056, 8010070, 12816112, 16020140, 25632224, 32040280, 64080560, 128161120]

約数ペア:

[(1, 128161120), (2, 64080560), (4, 32040280), (5, 25632224), (8, 16020140), (10, 12816112), (16, 8010070), (20, 6408056), (32, 4005035), (40, 3204028), (80, 1602014), (160, 801007)]