27728720

素因数分解:

$2^4\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1279}}^1$

素因数の和:1563

約数の個数: 40

約数和(自身を含む): 64757760

約数和(自身を除く): 37029040

約数列:

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

約数ペア:

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