87370180

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{2267}}^1$

素因数の和:2364

約数の個数: 48

約数和(自身を含む): 192036096

約数和(自身を除く): 104665916

約数列:

[1, 2, 4, 5, 10, 20, 41, 47, 82, 94, 164, 188, 205, 235, 410, 470, 820, 940, 1927, 2267, 3854, 4534, 7708, 9068, 9635, 11335, 19270, 22670, 38540, 45340, 92947, 106549, 185894, 213098, 371788, 426196, 464735, 532745, 929470, 1065490, 1858940, 2130980, 4368509, 8737018, 17474036, 21842545, 43685090, 87370180]

約数ペア:

[(1, 87370180), (2, 43685090), (4, 21842545), (5, 17474036), (10, 8737018), (20, 4368509), (41, 2130980), (47, 1858940), (82, 1065490), (94, 929470), (164, 532745), (188, 464735), (205, 426196), (235, 371788), (410, 213098), (470, 185894), (820, 106549), (940, 92947), (1927, 45340), (2267, 38540), (3854, 22670), (4534, 19270), (7708, 11335), (9068, 9635)]