64077740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{74509}}^1$

素因数の和:74561

約数の個数: 24

約数和(自身を含む): 137694480

約数和(自身を除く): 73616740

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 74509, 149018, 298036, 372545, 745090, 1490180, 3203887, 6407774, 12815548, 16019435, 32038870, 64077740]

約数ペア:

[(1, 64077740), (2, 32038870), (4, 16019435), (5, 12815548), (10, 6407774), (20, 3203887), (43, 1490180), (86, 745090), (172, 372545), (215, 298036), (430, 149018), (860, 74509)]