11981440

素因数分解:

$2^7\times 5^1\times {\mathrm{97}}^1\times {\mathrm{193}}^1$

素因数の和:309

約数の個数: 64

約数和(自身を含む): 29088360

約数和(自身を除く): 17106920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 128, 160, 193, 194, 320, 386, 388, 485, 640, 772, 776, 965, 970, 1544, 1552, 1930, 1940, 3088, 3104, 3860, 3880, 6176, 6208, 7720, 7760, 12352, 12416, 15440, 15520, 18721, 24704, 30880, 31040, 37442, 61760, 62080, 74884, 93605, 123520, 149768, 187210, 299536, 374420, 599072, 748840, 1198144, 1497680, 2396288, 2995360, 5990720, 11981440]

約数ペア:

[(1, 11981440), (2, 5990720), (4, 2995360), (5, 2396288), (8, 1497680), (10, 1198144), (16, 748840), (20, 599072), (32, 374420), (40, 299536), (64, 187210), (80, 149768), (97, 123520), (128, 93605), (160, 74884), (193, 62080), (194, 61760), (320, 37442), (386, 31040), (388, 30880), (485, 24704), (640, 18721), (772, 15520), (776, 15440), (965, 12416), (970, 12352), (1544, 7760), (1552, 7720), (1930, 6208), (1940, 6176), (3088, 3880), (3104, 3860)]