85384780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{4157}}^1$

素因数の和:4258

約数の個数: 48

約数和(自身を含む): 195592320

約数和(自身を除く): 110207540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 316, 395, 790, 1027, 1580, 2054, 4108, 4157, 5135, 8314, 10270, 16628, 20540, 20785, 41570, 54041, 83140, 108082, 216164, 270205, 328403, 540410, 656806, 1080820, 1313612, 1642015, 3284030, 4269239, 6568060, 8538478, 17076956, 21346195, 42692390, 85384780]

約数ペア:

[(1, 85384780), (2, 42692390), (4, 21346195), (5, 17076956), (10, 8538478), (13, 6568060), (20, 4269239), (26, 3284030), (52, 1642015), (65, 1313612), (79, 1080820), (130, 656806), (158, 540410), (260, 328403), (316, 270205), (395, 216164), (790, 108082), (1027, 83140), (1580, 54041), (2054, 41570), (4108, 20785), (4157, 20540), (5135, 16628), (8314, 10270)]