28422520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1223}}^1$

素因数の和:1324

約数の個数: 64

約数和(自身を含む): 74027520

約数和(自身を除く): 45605000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 83, 140, 166, 280, 332, 415, 581, 664, 830, 1162, 1223, 1660, 2324, 2446, 2905, 3320, 4648, 4892, 5810, 6115, 8561, 9784, 11620, 12230, 17122, 23240, 24460, 34244, 42805, 48920, 68488, 85610, 101509, 171220, 203018, 342440, 406036, 507545, 710563, 812072, 1015090, 1421126, 2030180, 2842252, 3552815, 4060360, 5684504, 7105630, 14211260, 28422520]

約数ペア:

[(1, 28422520), (2, 14211260), (4, 7105630), (5, 5684504), (7, 4060360), (8, 3552815), (10, 2842252), (14, 2030180), (20, 1421126), (28, 1015090), (35, 812072), (40, 710563), (56, 507545), (70, 406036), (83, 342440), (140, 203018), (166, 171220), (280, 101509), (332, 85610), (415, 68488), (581, 48920), (664, 42805), (830, 34244), (1162, 24460), (1223, 23240), (1660, 17122), (2324, 12230), (2446, 11620), (2905, 9784), (3320, 8561), (4648, 6115), (4892, 5810)]