55104880

素因数分解:

$2^4\times 5^1\times {\mathrm{331}}^1\times {\mathrm{2081}}^1$

素因数の和:2425

約数の個数: 40

約数和(自身を含む): 128567664

約数和(自身を除く): 73462784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 331, 662, 1324, 1655, 2081, 2648, 3310, 4162, 5296, 6620, 8324, 10405, 13240, 16648, 20810, 26480, 33296, 41620, 83240, 166480, 688811, 1377622, 2755244, 3444055, 5510488, 6888110, 11020976, 13776220, 27552440, 55104880]

約数ペア:

[(1, 55104880), (2, 27552440), (4, 13776220), (5, 11020976), (8, 6888110), (10, 5510488), (16, 3444055), (20, 2755244), (40, 1377622), (80, 688811), (331, 166480), (662, 83240), (1324, 41620), (1655, 33296), (2081, 26480), (2648, 20810), (3310, 16648), (4162, 13240), (5296, 10405), (6620, 8324)]