11199280

素因数分解:

$2^4\times 5^1\times {\mathrm{139991}}^1$

素因数の和:140004

約数の個数: 20

約数和(自身を含む): 26038512

約数和(自身を除く): 14839232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139991, 279982, 559964, 699955, 1119928, 1399910, 2239856, 2799820, 5599640, 11199280]

約数ペア:

[(1, 11199280), (2, 5599640), (4, 2799820), (5, 2239856), (8, 1399910), (10, 1119928), (16, 699955), (20, 559964), (40, 279982), (80, 139991)]