4104880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3947}}^1$

素因数の和:3973

約数の個数: 40

約数和(自身を含む): 10280592

約数和(自身を除く): 6175712

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 3947, 7894, 15788, 19735, 31576, 39470, 51311, 63152, 78940, 102622, 157880, 205244, 256555, 315760, 410488, 513110, 820976, 1026220, 2052440, 4104880]

約数ペア:

[(1, 4104880), (2, 2052440), (4, 1026220), (5, 820976), (8, 513110), (10, 410488), (13, 315760), (16, 256555), (20, 205244), (26, 157880), (40, 102622), (52, 78940), (65, 63152), (80, 51311), (104, 39470), (130, 31576), (208, 19735), (260, 15788), (520, 7894), (1040, 3947)]