42497320

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{25913}}^1$

素因数の和:25965

約数の個数: 32

約数和(自身を含む): 97954920

約数和(自身を除く): 55457600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 25913, 51826, 103652, 129565, 207304, 259130, 518260, 1036520, 1062433, 2124866, 4249732, 5312165, 8499464, 10624330, 21248660, 42497320]

約数ペア:

[(1, 42497320), (2, 21248660), (4, 10624330), (5, 8499464), (8, 5312165), (10, 4249732), (20, 2124866), (40, 1062433), (41, 1036520), (82, 518260), (164, 259130), (205, 207304), (328, 129565), (410, 103652), (820, 51826), (1640, 25913)]