51988420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{383}}^1\times {\mathrm{617}}^1$

素因数の和:1020

約数の個数: 48

約数和(自身を含む): 119605248

約数和(自身を除く): 67616828

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 383, 617, 766, 1234, 1532, 1915, 2468, 3085, 3830, 4213, 6170, 6787, 7660, 8426, 12340, 13574, 16852, 21065, 27148, 33935, 42130, 67870, 84260, 135740, 236311, 472622, 945244, 1181555, 2363110, 2599421, 4726220, 5198842, 10397684, 12997105, 25994210, 51988420]

約数ペア:

[(1, 51988420), (2, 25994210), (4, 12997105), (5, 10397684), (10, 5198842), (11, 4726220), (20, 2599421), (22, 2363110), (44, 1181555), (55, 945244), (110, 472622), (220, 236311), (383, 135740), (617, 84260), (766, 67870), (1234, 42130), (1532, 33935), (1915, 27148), (2468, 21065), (3085, 16852), (3830, 13574), (4213, 12340), (6170, 8426), (6787, 7660)]