2016341725

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{31249}}^1$

素因数の和:31377

約数の個数: 24

約数和(自身を含む): 2615625000

約数和(自身を除く): 599283275

約数列:

[1, 5, 25, 29, 89, 145, 445, 725, 2225, 2581, 12905, 31249, 64525, 156245, 781225, 906221, 2781161, 4531105, 13905805, 22655525, 69529025, 80653669, 403268345, 2016341725]

約数ペア:

[(1, 2016341725), (5, 403268345), (25, 80653669), (29, 69529025), (89, 22655525), (145, 13905805), (445, 4531105), (725, 2781161), (2225, 906221), (2581, 781225), (12905, 156245), (31249, 64525)]