16447120

素因数分解:

$2^4\times 5^1\times {\mathrm{205589}}^1$

素因数の和:205602

約数の個数: 20

約数和(自身を含む): 38239740

約数和(自身を除く): 21792620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 205589, 411178, 822356, 1027945, 1644712, 2055890, 3289424, 4111780, 8223560, 16447120]

約数ペア:

[(1, 16447120), (2, 8223560), (4, 4111780), (5, 3289424), (8, 2055890), (10, 1644712), (16, 1027945), (20, 822356), (40, 411178), (80, 205589)]