20162941280

素因数分解:

$2^5\times 5^1\times {\mathrm{1291}}^1\times {\mathrm{97613}}^1$

素因数の和:98919

約数の個数: 48

約数和(自身を含む): 47672334864

約数和(自身を除く): 27509393584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1291, 2582, 5164, 6455, 10328, 12910, 20656, 25820, 41312, 51640, 97613, 103280, 195226, 206560, 390452, 488065, 780904, 976130, 1561808, 1952260, 3123616, 3904520, 7809040, 15618080, 126018383, 252036766, 504073532, 630091915, 1008147064, 1260183830, 2016294128, 2520367660, 4032588256, 5040735320, 10081470640, 20162941280]

約数ペア:

[(1, 20162941280), (2, 10081470640), (4, 5040735320), (5, 4032588256), (8, 2520367660), (10, 2016294128), (16, 1260183830), (20, 1008147064), (32, 630091915), (40, 504073532), (80, 252036766), (160, 126018383), (1291, 15618080), (2582, 7809040), (5164, 3904520), (6455, 3123616), (10328, 1952260), (12910, 1561808), (20656, 976130), (25820, 780904), (41312, 488065), (51640, 390452), (97613, 206560), (103280, 195226)]