12664520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{269}}^1$

素因数の和:398

約数の個数: 64

約数和(自身を含む): 31492800

約数和(自身を除く): 18828280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 107, 110, 214, 220, 269, 428, 440, 535, 538, 856, 1070, 1076, 1177, 1345, 2140, 2152, 2354, 2690, 2959, 4280, 4708, 5380, 5885, 5918, 9416, 10760, 11770, 11836, 14795, 23540, 23672, 28783, 29590, 47080, 57566, 59180, 115132, 118360, 143915, 230264, 287830, 316613, 575660, 633226, 1151320, 1266452, 1583065, 2532904, 3166130, 6332260, 12664520]

約数ペア:

[(1, 12664520), (2, 6332260), (4, 3166130), (5, 2532904), (8, 1583065), (10, 1266452), (11, 1151320), (20, 633226), (22, 575660), (40, 316613), (44, 287830), (55, 230264), (88, 143915), (107, 118360), (110, 115132), (214, 59180), (220, 57566), (269, 47080), (428, 29590), (440, 28783), (535, 23672), (538, 23540), (856, 14795), (1070, 11836), (1076, 11770), (1177, 10760), (1345, 9416), (2140, 5918), (2152, 5885), (2354, 5380), (2690, 4708), (2959, 4280)]