2011997480

素因数分解:

$2^3\times 5^1\times {\mathrm{653}}^1\times {\mathrm{77029}}^1$

素因数の和:77693

約数の個数: 32

約数和(自身を含む): 4533985800

約数和(自身を除く): 2521988320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 653, 1306, 2612, 3265, 5224, 6530, 13060, 26120, 77029, 154058, 308116, 385145, 616232, 770290, 1540580, 3081160, 50299937, 100599874, 201199748, 251499685, 402399496, 502999370, 1005998740, 2011997480]

約数ペア:

[(1, 2011997480), (2, 1005998740), (4, 502999370), (5, 402399496), (8, 251499685), (10, 201199748), (20, 100599874), (40, 50299937), (653, 3081160), (1306, 1540580), (2612, 770290), (3265, 616232), (5224, 385145), (6530, 308116), (13060, 154058), (26120, 77029)]