25756400

素因数分解:

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

素因数の和:3426

約数の個数: 60

約数和(自身を含む): 65155800

約数和(自身を除く): 39399400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 152, 190, 200, 304, 380, 400, 475, 760, 950, 1520, 1900, 3389, 3800, 6778, 7600, 13556, 16945, 27112, 33890, 54224, 64391, 67780, 84725, 128782, 135560, 169450, 257564, 271120, 321955, 338900, 515128, 643910, 677800, 1030256, 1287820, 1355600, 1609775, 2575640, 3219550, 5151280, 6439100, 12878200, 25756400]

約数ペア:

[(1, 25756400), (2, 12878200), (4, 6439100), (5, 5151280), (8, 3219550), (10, 2575640), (16, 1609775), (19, 1355600), (20, 1287820), (25, 1030256), (38, 677800), (40, 643910), (50, 515128), (76, 338900), (80, 321955), (95, 271120), (100, 257564), (152, 169450), (190, 135560), (200, 128782), (304, 84725), (380, 67780), (400, 64391), (475, 54224), (760, 33890), (950, 27112), (1520, 16945), (1900, 13556), (3389, 7600), (3800, 6778)]