50396980

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{409}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 108899280

約数和(自身を除く): 58502300

約数列:

[1, 2, 4, 5, 10, 20, 61, 101, 122, 202, 244, 305, 404, 409, 505, 610, 818, 1010, 1220, 1636, 2020, 2045, 4090, 6161, 8180, 12322, 24644, 24949, 30805, 41309, 49898, 61610, 82618, 99796, 123220, 124745, 165236, 206545, 249490, 413090, 498980, 826180, 2519849, 5039698, 10079396, 12599245, 25198490, 50396980]

約数ペア:

[(1, 50396980), (2, 25198490), (4, 12599245), (5, 10079396), (10, 5039698), (20, 2519849), (61, 826180), (101, 498980), (122, 413090), (202, 249490), (244, 206545), (305, 165236), (404, 124745), (409, 123220), (505, 99796), (610, 82618), (818, 61610), (1010, 49898), (1220, 41309), (1636, 30805), (2020, 24949), (2045, 24644), (4090, 12322), (6161, 8180)]