85045520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7993}}^1$

素因数の和:8032

約数の個数: 80

約数和(自身を含む): 237901440

約数和(自身を除く): 152855920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2128, 2660, 5320, 7993, 10640, 15986, 31972, 39965, 55951, 63944, 79930, 111902, 127888, 151867, 159860, 223804, 279755, 303734, 319720, 447608, 559510, 607468, 639440, 759335, 895216, 1063069, 1119020, 1214936, 1518670, 2126138, 2238040, 2429872, 3037340, 4252276, 4476080, 5315345, 6074680, 8504552, 10630690, 12149360, 17009104, 21261380, 42522760, 85045520]

約数ペア:

[(1, 85045520), (2, 42522760), (4, 21261380), (5, 17009104), (7, 12149360), (8, 10630690), (10, 8504552), (14, 6074680), (16, 5315345), (19, 4476080), (20, 4252276), (28, 3037340), (35, 2429872), (38, 2238040), (40, 2126138), (56, 1518670), (70, 1214936), (76, 1119020), (80, 1063069), (95, 895216), (112, 759335), (133, 639440), (140, 607468), (152, 559510), (190, 447608), (266, 319720), (280, 303734), (304, 279755), (380, 223804), (532, 159860), (560, 151867), (665, 127888), (760, 111902), (1064, 79930), (1330, 63944), (1520, 55951), (2128, 39965), (2660, 31972), (5320, 15986), (7993, 10640)]