42155920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:392

約数の個数: 80

約数和(自身を含む): 104993280

約数和(自身を除く): 62837360

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 139, 170, 223, 272, 278, 340, 446, 556, 680, 695, 892, 1112, 1115, 1360, 1390, 1784, 2224, 2230, 2363, 2780, 3568, 3791, 4460, 4726, 5560, 7582, 8920, 9452, 11120, 11815, 15164, 17840, 18904, 18955, 23630, 30328, 30997, 37808, 37910, 47260, 60656, 61994, 75820, 94520, 123988, 151640, 154985, 189040, 247976, 303280, 309970, 495952, 526949, 619940, 1053898, 1239880, 2107796, 2479760, 2634745, 4215592, 5269490, 8431184, 10538980, 21077960, 42155920]

約数ペア:

[(1, 42155920), (2, 21077960), (4, 10538980), (5, 8431184), (8, 5269490), (10, 4215592), (16, 2634745), (17, 2479760), (20, 2107796), (34, 1239880), (40, 1053898), (68, 619940), (80, 526949), (85, 495952), (136, 309970), (139, 303280), (170, 247976), (223, 189040), (272, 154985), (278, 151640), (340, 123988), (446, 94520), (556, 75820), (680, 61994), (695, 60656), (892, 47260), (1112, 37910), (1115, 37808), (1360, 30997), (1390, 30328), (1784, 23630), (2224, 18955), (2230, 18904), (2363, 17840), (2780, 15164), (3568, 11815), (3791, 11120), (4460, 9452), (4726, 8920), (5560, 7582)]