28524520

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{17393}}^1$

素因数の和:17445

約数の個数: 32

約数和(自身を含む): 65749320

約数和(自身を除く): 37224800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 17393, 34786, 69572, 86965, 139144, 173930, 347860, 695720, 713113, 1426226, 2852452, 3565565, 5704904, 7131130, 14262260, 28524520]

約数ペア:

[(1, 28524520), (2, 14262260), (4, 7131130), (5, 5704904), (8, 3565565), (10, 2852452), (20, 1426226), (40, 713113), (41, 695720), (82, 347860), (164, 173930), (205, 139144), (328, 86965), (410, 69572), (820, 34786), (1640, 17393)]