27687440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{431}}^1$

素因数の和:528

約数の個数: 80

約数和(自身を含む): 71352576

約数和(自身を除く): 43665136

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 73, 80, 88, 110, 146, 176, 220, 292, 365, 431, 440, 584, 730, 803, 862, 880, 1168, 1460, 1606, 1724, 2155, 2920, 3212, 3448, 4015, 4310, 4741, 5840, 6424, 6896, 8030, 8620, 9482, 12848, 16060, 17240, 18964, 23705, 31463, 32120, 34480, 37928, 47410, 62926, 64240, 75856, 94820, 125852, 157315, 189640, 251704, 314630, 346093, 379280, 503408, 629260, 692186, 1258520, 1384372, 1730465, 2517040, 2768744, 3460930, 5537488, 6921860, 13843720, 27687440]

約数ペア:

[(1, 27687440), (2, 13843720), (4, 6921860), (5, 5537488), (8, 3460930), (10, 2768744), (11, 2517040), (16, 1730465), (20, 1384372), (22, 1258520), (40, 692186), (44, 629260), (55, 503408), (73, 379280), (80, 346093), (88, 314630), (110, 251704), (146, 189640), (176, 157315), (220, 125852), (292, 94820), (365, 75856), (431, 64240), (440, 62926), (584, 47410), (730, 37928), (803, 34480), (862, 32120), (880, 31463), (1168, 23705), (1460, 18964), (1606, 17240), (1724, 16060), (2155, 12848), (2920, 9482), (3212, 8620), (3448, 8030), (4015, 6896), (4310, 6424), (4741, 5840)]