67128565580

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2903}}^1\times {\mathrm{5869}}^1$

素因数の和:8978

約数の個数: 48

約数和(自身を含む): 141758527680

約数和(自身を除く): 74629962100

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 2903, 3940, 5806, 5869, 11612, 11738, 14515, 23476, 29030, 29345, 58060, 58690, 117380, 571891, 1143782, 1156193, 2287564, 2312386, 2859455, 4624772, 5718910, 5780965, 11437820, 11561930, 17037707, 23123860, 34075414, 68150828, 85188535, 170377070, 340754140, 3356428279, 6712856558, 13425713116, 16782141395, 33564282790, 67128565580]

約数ペア:

[(1, 67128565580), (2, 33564282790), (4, 16782141395), (5, 13425713116), (10, 6712856558), (20, 3356428279), (197, 340754140), (394, 170377070), (788, 85188535), (985, 68150828), (1970, 34075414), (2903, 23123860), (3940, 17037707), (5806, 11561930), (5869, 11437820), (11612, 5780965), (11738, 5718910), (14515, 4624772), (23476, 2859455), (29030, 2312386), (29345, 2287564), (58060, 1156193), (58690, 1143782), (117380, 571891)]