85168240

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{9767}}^1$

素因数の和:9889

約数の個数: 40

約数和(自身を含む): 199853280

約数和(自身を除く): 114685040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 9767, 19534, 39068, 48835, 78136, 97670, 156272, 195340, 390680, 781360, 1064603, 2129206, 4258412, 5323015, 8516824, 10646030, 17033648, 21292060, 42584120, 85168240]

約数ペア:

[(1, 85168240), (2, 42584120), (4, 21292060), (5, 17033648), (8, 10646030), (10, 8516824), (16, 5323015), (20, 4258412), (40, 2129206), (80, 1064603), (109, 781360), (218, 390680), (436, 195340), (545, 156272), (872, 97670), (1090, 78136), (1744, 48835), (2180, 39068), (4360, 19534), (8720, 9767)]