83865040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{149759}}^1$

素因数の和:149779

約数の個数: 40

約数和(自身を含む): 222842880

約数和(自身を除く): 138977840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 149759, 299518, 599036, 748795, 1048313, 1198072, 1497590, 2096626, 2396144, 2995180, 4193252, 5241565, 5990360, 8386504, 10483130, 11980720, 16773008, 20966260, 41932520, 83865040]

約数ペア:

[(1, 83865040), (2, 41932520), (4, 20966260), (5, 16773008), (7, 11980720), (8, 10483130), (10, 8386504), (14, 5990360), (16, 5241565), (20, 4193252), (28, 2995180), (35, 2396144), (40, 2096626), (56, 1497590), (70, 1198072), (80, 1048313), (112, 748795), (140, 599036), (280, 299518), (560, 149759)]