78141920

素因数分解:

$2^5\times 5^1\times {\mathrm{191}}^1\times {\mathrm{2557}}^1$

素因数の和:2763

約数の個数: 48

約数和(自身を含む): 185649408

約数和(自身を除く): 107507488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 191, 382, 764, 955, 1528, 1910, 2557, 3056, 3820, 5114, 6112, 7640, 10228, 12785, 15280, 20456, 25570, 30560, 40912, 51140, 81824, 102280, 204560, 409120, 488387, 976774, 1953548, 2441935, 3907096, 4883870, 7814192, 9767740, 15628384, 19535480, 39070960, 78141920]

約数ペア:

[(1, 78141920), (2, 39070960), (4, 19535480), (5, 15628384), (8, 9767740), (10, 7814192), (16, 4883870), (20, 3907096), (32, 2441935), (40, 1953548), (80, 976774), (160, 488387), (191, 409120), (382, 204560), (764, 102280), (955, 81824), (1528, 51140), (1910, 40912), (2557, 30560), (3056, 25570), (3820, 20456), (5114, 15280), (6112, 12785), (7640, 10228)]