51217100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{461}}^1$

素因数の和:587

約数の個数: 72

約数和(自身を含む): 122710896

約数和(自身を除く): 71493796

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 101, 110, 202, 220, 275, 404, 461, 505, 550, 922, 1010, 1100, 1111, 1844, 2020, 2222, 2305, 2525, 4444, 4610, 5050, 5071, 5555, 9220, 10100, 10142, 11110, 11525, 20284, 22220, 23050, 25355, 27775, 46100, 46561, 50710, 55550, 93122, 101420, 111100, 126775, 186244, 232805, 253550, 465610, 507100, 512171, 931220, 1024342, 1164025, 2048684, 2328050, 2560855, 4656100, 5121710, 10243420, 12804275, 25608550, 51217100]

約数ペア:

[(1, 51217100), (2, 25608550), (4, 12804275), (5, 10243420), (10, 5121710), (11, 4656100), (20, 2560855), (22, 2328050), (25, 2048684), (44, 1164025), (50, 1024342), (55, 931220), (100, 512171), (101, 507100), (110, 465610), (202, 253550), (220, 232805), (275, 186244), (404, 126775), (461, 111100), (505, 101420), (550, 93122), (922, 55550), (1010, 50710), (1100, 46561), (1111, 46100), (1844, 27775), (2020, 25355), (2222, 23050), (2305, 22220), (2525, 20284), (4444, 11525), (4610, 11110), (5050, 10142), (5071, 10100), (5555, 9220)]