56705480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109049}}^1$

素因数の和:109073

約数の個数: 32

約数和(自身を含む): 137403000

約数和(自身を除く): 80697520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 109049, 218098, 436196, 545245, 872392, 1090490, 1417637, 2180980, 2835274, 4361960, 5670548, 7088185, 11341096, 14176370, 28352740, 56705480]

約数ペア:

[(1, 56705480), (2, 28352740), (4, 14176370), (5, 11341096), (8, 7088185), (10, 5670548), (13, 4361960), (20, 2835274), (26, 2180980), (40, 1417637), (52, 1090490), (65, 872392), (104, 545245), (130, 436196), (260, 218098), (520, 109049)]