80983820

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{853}}^1$

素因数の和:1010

約数の個数: 48

約数和(自身を含む): 175609728

約数和(自身を除く): 94625908

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 101, 188, 202, 235, 404, 470, 505, 853, 940, 1010, 1706, 2020, 3412, 4265, 4747, 8530, 9494, 17060, 18988, 23735, 40091, 47470, 80182, 86153, 94940, 160364, 172306, 200455, 344612, 400910, 430765, 801820, 861530, 1723060, 4049191, 8098382, 16196764, 20245955, 40491910, 80983820]

約数ペア:

[(1, 80983820), (2, 40491910), (4, 20245955), (5, 16196764), (10, 8098382), (20, 4049191), (47, 1723060), (94, 861530), (101, 801820), (188, 430765), (202, 400910), (235, 344612), (404, 200455), (470, 172306), (505, 160364), (853, 94940), (940, 86153), (1010, 80182), (1706, 47470), (2020, 40091), (3412, 23735), (4265, 18988), (4747, 17060), (8530, 9494)]