55457440

素因数分解:

$2^5\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1279}}^1$

素因数の和:1565

約数の個数: 48

約数和(自身を含む): 131604480

約数和(自身を除く): 76147040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 271, 542, 1084, 1279, 1355, 2168, 2558, 2710, 4336, 5116, 5420, 6395, 8672, 10232, 10840, 12790, 20464, 21680, 25580, 40928, 43360, 51160, 102320, 204640, 346609, 693218, 1386436, 1733045, 2772872, 3466090, 5545744, 6932180, 11091488, 13864360, 27728720, 55457440]

約数ペア:

[(1, 55457440), (2, 27728720), (4, 13864360), (5, 11091488), (8, 6932180), (10, 5545744), (16, 3466090), (20, 2772872), (32, 1733045), (40, 1386436), (80, 693218), (160, 346609), (271, 204640), (542, 102320), (1084, 51160), (1279, 43360), (1355, 40928), (2168, 25580), (2558, 21680), (2710, 20464), (4336, 12790), (5116, 10840), (5420, 10232), (6395, 8672)]