2008155280

素因数分解:

$2^4\times 5^1\times {\mathrm{2099}}^1\times {\mathrm{11959}}^1$

素因数の和:14071

約数の個数: 40

約数和(自身を含む): 4671576000

約数和(自身を除く): 2663420720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2099, 4198, 8396, 10495, 11959, 16792, 20990, 23918, 33584, 41980, 47836, 59795, 83960, 95672, 119590, 167920, 191344, 239180, 478360, 956720, 25101941, 50203882, 100407764, 125509705, 200815528, 251019410, 401631056, 502038820, 1004077640, 2008155280]

約数ペア:

[(1, 2008155280), (2, 1004077640), (4, 502038820), (5, 401631056), (8, 251019410), (10, 200815528), (16, 125509705), (20, 100407764), (40, 50203882), (80, 25101941), (2099, 956720), (4198, 478360), (8396, 239180), (10495, 191344), (11959, 167920), (16792, 119590), (20990, 95672), (23918, 83960), (33584, 59795), (41980, 47836)]