53687560

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1$

素因数の和:346

約数の個数: 64

約数和(自身を含む): 124150320

約数和(自身を除く): 70462760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 101, 137, 194, 202, 274, 388, 404, 485, 505, 548, 685, 776, 808, 970, 1010, 1096, 1370, 1940, 2020, 2740, 3880, 4040, 5480, 9797, 13289, 13837, 19594, 26578, 27674, 39188, 48985, 53156, 55348, 66445, 69185, 78376, 97970, 106312, 110696, 132890, 138370, 195940, 265780, 276740, 391880, 531560, 553480, 1342189, 2684378, 5368756, 6710945, 10737512, 13421890, 26843780, 53687560]

約数ペア:

[(1, 53687560), (2, 26843780), (4, 13421890), (5, 10737512), (8, 6710945), (10, 5368756), (20, 2684378), (40, 1342189), (97, 553480), (101, 531560), (137, 391880), (194, 276740), (202, 265780), (274, 195940), (388, 138370), (404, 132890), (485, 110696), (505, 106312), (548, 97970), (685, 78376), (776, 69185), (808, 66445), (970, 55348), (1010, 53156), (1096, 48985), (1370, 39188), (1940, 27674), (2020, 26578), (2740, 19594), (3880, 13837), (4040, 13289), (5480, 9797)]