8697820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{487}}^1$

素因数の和:562

約数の個数: 48

約数和(自身を含む): 19676160

約数和(自身を除く): 10978340

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 188, 190, 235, 380, 470, 487, 893, 940, 974, 1786, 1948, 2435, 3572, 4465, 4870, 8930, 9253, 9740, 17860, 18506, 22889, 37012, 45778, 46265, 91556, 92530, 114445, 185060, 228890, 434891, 457780, 869782, 1739564, 2174455, 4348910, 8697820]

約数ペア:

[(1, 8697820), (2, 4348910), (4, 2174455), (5, 1739564), (10, 869782), (19, 457780), (20, 434891), (38, 228890), (47, 185060), (76, 114445), (94, 92530), (95, 91556), (188, 46265), (190, 45778), (235, 37012), (380, 22889), (470, 18506), (487, 17860), (893, 9740), (940, 9253), (974, 8930), (1786, 4870), (1948, 4465), (2435, 3572)]