5151280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3389}}^1$

素因数の和:3421

約数の個数: 40

約数和(自身を含む): 12610800

約数和(自身を除く): 7459520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 3389, 6778, 13556, 16945, 27112, 33890, 54224, 64391, 67780, 128782, 135560, 257564, 271120, 321955, 515128, 643910, 1030256, 1287820, 2575640, 5151280]

約数ペア:

[(1, 5151280), (2, 2575640), (4, 1287820), (5, 1030256), (8, 643910), (10, 515128), (16, 321955), (19, 271120), (20, 257564), (38, 135560), (40, 128782), (76, 67780), (80, 64391), (95, 54224), (152, 33890), (190, 27112), (304, 16945), (380, 13556), (760, 6778), (1520, 3389)]