7830920

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1429}}^1$

素因数の和:1577

約数の個数: 32

約数和(自身を含む): 17760600

約数和(自身を除く): 9929680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 1429, 2740, 2858, 5480, 5716, 7145, 11432, 14290, 28580, 57160, 195773, 391546, 783092, 978865, 1566184, 1957730, 3915460, 7830920]

約数ペア:

[(1, 7830920), (2, 3915460), (4, 1957730), (5, 1566184), (8, 978865), (10, 783092), (20, 391546), (40, 195773), (137, 57160), (274, 28580), (548, 14290), (685, 11432), (1096, 7145), (1370, 5716), (1429, 5480), (2740, 2858)]