55727980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{36187}}^1$

素因数の和:36214

約数の個数: 48

約数和(自身を含む): 145910016

約数和(自身を除く): 90182036

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 36187, 72374, 144748, 180935, 253309, 361870, 398057, 506618, 723740, 796114, 1013236, 1266545, 1592228, 1990285, 2533090, 2786399, 3980570, 5066180, 5572798, 7961140, 11145596, 13931995, 27863990, 55727980]

約数ペア:

[(1, 55727980), (2, 27863990), (4, 13931995), (5, 11145596), (7, 7961140), (10, 5572798), (11, 5066180), (14, 3980570), (20, 2786399), (22, 2533090), (28, 1990285), (35, 1592228), (44, 1266545), (55, 1013236), (70, 796114), (77, 723740), (110, 506618), (140, 398057), (154, 361870), (220, 253309), (308, 180935), (385, 144748), (770, 72374), (1540, 36187)]