28116640

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{10337}}^1$

素因数の和:10369

約数の個数: 48

約数和(自身を含む): 70339752

約数和(自身を除く): 42223112

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 10337, 20674, 41348, 51685, 82696, 103370, 165392, 175729, 206740, 330784, 351458, 413480, 702916, 826960, 878645, 1405832, 1653920, 1757290, 2811664, 3514580, 5623328, 7029160, 14058320, 28116640]

約数ペア:

[(1, 28116640), (2, 14058320), (4, 7029160), (5, 5623328), (8, 3514580), (10, 2811664), (16, 1757290), (17, 1653920), (20, 1405832), (32, 878645), (34, 826960), (40, 702916), (68, 413480), (80, 351458), (85, 330784), (136, 206740), (160, 175729), (170, 165392), (272, 103370), (340, 82696), (544, 51685), (680, 41348), (1360, 20674), (2720, 10337)]