25435480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{90841}}^1$

素因数の和:90859

約数の個数: 32

約数和(自身を含む): 65406240

約数和(自身を除く): 39970760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 90841, 181682, 363364, 454205, 635887, 726728, 908410, 1271774, 1816820, 2543548, 3179435, 3633640, 5087096, 6358870, 12717740, 25435480]

約数ペア:

[(1, 25435480), (2, 12717740), (4, 6358870), (5, 5087096), (7, 3633640), (8, 3179435), (10, 2543548), (14, 1816820), (20, 1271774), (28, 908410), (35, 726728), (40, 635887), (56, 454205), (70, 363364), (140, 181682), (280, 90841)]