77303840

素因数分解:

$2^5\times 5^1\times {\mathrm{397}}^1\times {\mathrm{1217}}^1$

素因数の和:1629

約数の個数: 48

約数和(自身を含む): 183240792

約数和(自身を除く): 105936952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 397, 794, 1217, 1588, 1985, 2434, 3176, 3970, 4868, 6085, 6352, 7940, 9736, 12170, 12704, 15880, 19472, 24340, 31760, 38944, 48680, 63520, 97360, 194720, 483149, 966298, 1932596, 2415745, 3865192, 4831490, 7730384, 9662980, 15460768, 19325960, 38651920, 77303840]

約数ペア:

[(1, 77303840), (2, 38651920), (4, 19325960), (5, 15460768), (8, 9662980), (10, 7730384), (16, 4831490), (20, 3865192), (32, 2415745), (40, 1932596), (80, 966298), (160, 483149), (397, 194720), (794, 97360), (1217, 63520), (1588, 48680), (1985, 38944), (2434, 31760), (3176, 24340), (3970, 19472), (4868, 15880), (6085, 12704), (6352, 12170), (7940, 9736)]