13518140

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 29538432

約数和(自身を除く): 16020292

約数列:

[1, 2, 4, 5, 10, 20, 47, 73, 94, 146, 188, 197, 235, 292, 365, 394, 470, 730, 788, 940, 985, 1460, 1970, 3431, 3940, 6862, 9259, 13724, 14381, 17155, 18518, 28762, 34310, 37036, 46295, 57524, 68620, 71905, 92590, 143810, 185180, 287620, 675907, 1351814, 2703628, 3379535, 6759070, 13518140]

約数ペア:

[(1, 13518140), (2, 6759070), (4, 3379535), (5, 2703628), (10, 1351814), (20, 675907), (47, 287620), (73, 185180), (94, 143810), (146, 92590), (188, 71905), (197, 68620), (235, 57524), (292, 46295), (365, 37036), (394, 34310), (470, 28762), (730, 18518), (788, 17155), (940, 14381), (985, 13724), (1460, 9259), (1970, 6862), (3431, 3940)]