86871620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{9631}}^1$

素因数の和:9692

約数の個数: 48

約数和(自身を含む): 203890176

約数和(自身を除く): 117018556

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1804, 2255, 4510, 9020, 9631, 19262, 38524, 48155, 96310, 105941, 192620, 211882, 394871, 423764, 529705, 789742, 1059410, 1579484, 1974355, 2118820, 3948710, 4343581, 7897420, 8687162, 17374324, 21717905, 43435810, 86871620]

約数ペア:

[(1, 86871620), (2, 43435810), (4, 21717905), (5, 17374324), (10, 8687162), (11, 7897420), (20, 4343581), (22, 3948710), (41, 2118820), (44, 1974355), (55, 1579484), (82, 1059410), (110, 789742), (164, 529705), (205, 423764), (220, 394871), (410, 211882), (451, 192620), (820, 105941), (902, 96310), (1804, 48155), (2255, 38524), (4510, 19262), (9020, 9631)]