40066820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{1087}}^1$

素因数の和:1212

約数の個数: 48

約数和(自身を含む): 89564160

約数和(自身を除く): 49497340

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 97, 190, 194, 380, 388, 485, 970, 1087, 1843, 1940, 2174, 3686, 4348, 5435, 7372, 9215, 10870, 18430, 20653, 21740, 36860, 41306, 82612, 103265, 105439, 206530, 210878, 413060, 421756, 527195, 1054390, 2003341, 2108780, 4006682, 8013364, 10016705, 20033410, 40066820]

約数ペア:

[(1, 40066820), (2, 20033410), (4, 10016705), (5, 8013364), (10, 4006682), (19, 2108780), (20, 2003341), (38, 1054390), (76, 527195), (95, 421756), (97, 413060), (190, 210878), (194, 206530), (380, 105439), (388, 103265), (485, 82612), (970, 41306), (1087, 36860), (1843, 21740), (1940, 20653), (2174, 18430), (3686, 10870), (4348, 9215), (5435, 7372)]