7809080

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{991}}^1$

素因数の和:1199

約数の個数: 32

約数和(自身を含む): 17677440

約数和(自身を除く): 9868360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 991, 1576, 1970, 1982, 3940, 3964, 4955, 7880, 7928, 9910, 19820, 39640, 195227, 390454, 780908, 976135, 1561816, 1952270, 3904540, 7809080]

約数ペア:

[(1, 7809080), (2, 3904540), (4, 1952270), (5, 1561816), (8, 976135), (10, 780908), (20, 390454), (40, 195227), (197, 39640), (394, 19820), (788, 9910), (985, 7928), (991, 7880), (1576, 4955), (1970, 3964), (1982, 3940)]