8162020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{457}}^1$

素因数の和:532

約数の個数: 48

約数和(自身を含む): 18466560

約数和(自身を除く): 10304540

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 188, 190, 235, 380, 457, 470, 893, 914, 940, 1786, 1828, 2285, 3572, 4465, 4570, 8683, 8930, 9140, 17366, 17860, 21479, 34732, 42958, 43415, 85916, 86830, 107395, 173660, 214790, 408101, 429580, 816202, 1632404, 2040505, 4081010, 8162020]

約数ペア:

[(1, 8162020), (2, 4081010), (4, 2040505), (5, 1632404), (10, 816202), (19, 429580), (20, 408101), (38, 214790), (47, 173660), (76, 107395), (94, 86830), (95, 85916), (188, 43415), (190, 42958), (235, 34732), (380, 21479), (457, 17860), (470, 17366), (893, 9140), (914, 8930), (940, 8683), (1786, 4570), (1828, 4465), (2285, 3572)]