55705480

素因数分解:

$2^3\times 5^1\times {\mathrm{683}}^1\times {\mathrm{2039}}^1$

素因数の和:2733

約数の個数: 32

約数和(自身を含む): 125582400

約数和(自身を除く): 69876920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 683, 1366, 2039, 2732, 3415, 4078, 5464, 6830, 8156, 10195, 13660, 16312, 20390, 27320, 40780, 81560, 1392637, 2785274, 5570548, 6963185, 11141096, 13926370, 27852740, 55705480]

約数ペア:

[(1, 55705480), (2, 27852740), (4, 13926370), (5, 11141096), (8, 6963185), (10, 5570548), (20, 2785274), (40, 1392637), (683, 81560), (1366, 40780), (2039, 27320), (2732, 20390), (3415, 16312), (4078, 13660), (5464, 10195), (6830, 8156)]