4159280

素因数分解:

$2^4\times 5^1\times {\mathrm{51991}}^1$

素因数の和:52004

約数の個数: 20

約数和(自身を含む): 9670512

約数和(自身を除く): 5511232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 51991, 103982, 207964, 259955, 415928, 519910, 831856, 1039820, 2079640, 4159280]

約数ペア:

[(1, 4159280), (2, 2079640), (4, 1039820), (5, 831856), (8, 519910), (10, 415928), (16, 259955), (20, 207964), (40, 103982), (80, 51991)]