53765680

素因数分解:

$2^4\times 5^1\times {\mathrm{311}}^1\times {\mathrm{2161}}^1$

素因数の和:2485

約数の個数: 40

約数和(自身を含む): 125465184

約数和(自身を除く): 71699504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 311, 622, 1244, 1555, 2161, 2488, 3110, 4322, 4976, 6220, 8644, 10805, 12440, 17288, 21610, 24880, 34576, 43220, 86440, 172880, 672071, 1344142, 2688284, 3360355, 5376568, 6720710, 10753136, 13441420, 26882840, 53765680]

約数ペア:

[(1, 53765680), (2, 26882840), (4, 13441420), (5, 10753136), (8, 6720710), (10, 5376568), (16, 3360355), (20, 2688284), (40, 1344142), (80, 672071), (311, 172880), (622, 86440), (1244, 43220), (1555, 34576), (2161, 24880), (2488, 21610), (3110, 17288), (4322, 12440), (4976, 10805), (6220, 8644)]