51425840

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^2\times {\mathrm{103}}^1$

素因数の和:274

約数の個数: 60

約数和(自身を含む): 122273424

約数和(自身を除く): 70847584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 103, 158, 206, 316, 395, 412, 515, 632, 790, 824, 1030, 1264, 1580, 1648, 2060, 3160, 4120, 6241, 6320, 8137, 8240, 12482, 16274, 24964, 31205, 32548, 40685, 49928, 62410, 65096, 81370, 99856, 124820, 130192, 162740, 249640, 325480, 499280, 642823, 650960, 1285646, 2571292, 3214115, 5142584, 6428230, 10285168, 12856460, 25712920, 51425840]

約数ペア:

[(1, 51425840), (2, 25712920), (4, 12856460), (5, 10285168), (8, 6428230), (10, 5142584), (16, 3214115), (20, 2571292), (40, 1285646), (79, 650960), (80, 642823), (103, 499280), (158, 325480), (206, 249640), (316, 162740), (395, 130192), (412, 124820), (515, 99856), (632, 81370), (790, 65096), (824, 62410), (1030, 49928), (1264, 40685), (1580, 32548), (1648, 31205), (2060, 24964), (3160, 16274), (4120, 12482), (6241, 8240), (6320, 8137)]