64385950

素因数分解:

$2^1\times 5^2\times {\mathrm{1031}}^1\times {\mathrm{1249}}^1$

素因数の和:2292

約数の個数: 24

約数和(自身を含む): 119970000

約数和(自身を除く): 55584050

約数列:

[1, 2, 5, 10, 25, 50, 1031, 1249, 2062, 2498, 5155, 6245, 10310, 12490, 25775, 31225, 51550, 62450, 1287719, 2575438, 6438595, 12877190, 32192975, 64385950]

約数ペア:

[(1, 64385950), (2, 32192975), (5, 12877190), (10, 6438595), (25, 2575438), (50, 1287719), (1031, 62450), (1249, 51550), (2062, 31225), (2498, 25775), (5155, 12490), (6245, 10310)]