71417900

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{17419}}^1$

素因数の和:17474

約数の個数: 36

約数和(自身を含む): 158765880

約数和(自身を除く): 87347980

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 2050, 4100, 17419, 34838, 69676, 87095, 174190, 348380, 435475, 714179, 870950, 1428358, 1741900, 2856716, 3570895, 7141790, 14283580, 17854475, 35708950, 71417900]

約数ペア:

[(1, 71417900), (2, 35708950), (4, 17854475), (5, 14283580), (10, 7141790), (20, 3570895), (25, 2856716), (41, 1741900), (50, 1428358), (82, 870950), (100, 714179), (164, 435475), (205, 348380), (410, 174190), (820, 87095), (1025, 69676), (2050, 34838), (4100, 17419)]