77886520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{2437}}^1$

素因数の和:2512

約数の個数: 64

約数和(自身を含む): 189578880

約数和(自身を除く): 111692360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 47, 68, 85, 94, 136, 170, 188, 235, 340, 376, 470, 680, 799, 940, 1598, 1880, 2437, 3196, 3995, 4874, 6392, 7990, 9748, 12185, 15980, 19496, 24370, 31960, 41429, 48740, 82858, 97480, 114539, 165716, 207145, 229078, 331432, 414290, 458156, 572695, 828580, 916312, 1145390, 1657160, 1947163, 2290780, 3894326, 4581560, 7788652, 9735815, 15577304, 19471630, 38943260, 77886520]

約数ペア:

[(1, 77886520), (2, 38943260), (4, 19471630), (5, 15577304), (8, 9735815), (10, 7788652), (17, 4581560), (20, 3894326), (34, 2290780), (40, 1947163), (47, 1657160), (68, 1145390), (85, 916312), (94, 828580), (136, 572695), (170, 458156), (188, 414290), (235, 331432), (340, 229078), (376, 207145), (470, 165716), (680, 114539), (799, 97480), (940, 82858), (1598, 48740), (1880, 41429), (2437, 31960), (3196, 24370), (3995, 19496), (4874, 15980), (6392, 12185), (7990, 9748)]