47139980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{138647}}^1$

素因数の和:138673

約数の個数: 24

約数和(自身を含む): 104817888

約数和(自身を除く): 57677908

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 138647, 277294, 554588, 693235, 1386470, 2356999, 2772940, 4713998, 9427996, 11784995, 23569990, 47139980]

約数ペア:

[(1, 47139980), (2, 23569990), (4, 11784995), (5, 9427996), (10, 4713998), (17, 2772940), (20, 2356999), (34, 1386470), (68, 693235), (85, 554588), (170, 277294), (340, 138647)]