39388240

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{4517}}^1$

素因数の和:4639

約数の個数: 40

約数和(自身を含む): 92438280

約数和(自身を除く): 53050040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 4517, 8720, 9034, 18068, 22585, 36136, 45170, 72272, 90340, 180680, 361360, 492353, 984706, 1969412, 2461765, 3938824, 4923530, 7877648, 9847060, 19694120, 39388240]

約数ペア:

[(1, 39388240), (2, 19694120), (4, 9847060), (5, 7877648), (8, 4923530), (10, 3938824), (16, 2461765), (20, 1969412), (40, 984706), (80, 492353), (109, 361360), (218, 180680), (436, 90340), (545, 72272), (872, 45170), (1090, 36136), (1744, 22585), (2180, 18068), (4360, 9034), (4517, 8720)]