56491760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{54319}}^1$

素因数の和:54345

約数の個数: 40

約数和(自身を含む): 141449280

約数和(自身を除く): 84957520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 54319, 108638, 217276, 271595, 434552, 543190, 706147, 869104, 1086380, 1412294, 2172760, 2824588, 3530735, 4345520, 5649176, 7061470, 11298352, 14122940, 28245880, 56491760]

約数ペア:

[(1, 56491760), (2, 28245880), (4, 14122940), (5, 11298352), (8, 7061470), (10, 5649176), (13, 4345520), (16, 3530735), (20, 2824588), (26, 2172760), (40, 1412294), (52, 1086380), (65, 869104), (80, 706147), (104, 543190), (130, 434552), (208, 271595), (260, 217276), (520, 108638), (1040, 54319)]