2580825020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{38903}}^1$

素因数の和:39050

約数の個数: 48

約数和(自身を含む): 5646993408

約数和(自身を除く): 3066168388

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 107, 124, 155, 214, 310, 428, 535, 620, 1070, 2140, 3317, 6634, 13268, 16585, 33170, 38903, 66340, 77806, 155612, 194515, 389030, 778060, 1205993, 2411986, 4162621, 4823972, 6029965, 8325242, 12059930, 16650484, 20813105, 24119860, 41626210, 83252420, 129041251, 258082502, 516165004, 645206255, 1290412510, 2580825020]

約数ペア:

[(1, 2580825020), (2, 1290412510), (4, 645206255), (5, 516165004), (10, 258082502), (20, 129041251), (31, 83252420), (62, 41626210), (107, 24119860), (124, 20813105), (155, 16650484), (214, 12059930), (310, 8325242), (428, 6029965), (535, 4823972), (620, 4162621), (1070, 2411986), (2140, 1205993), (3317, 778060), (6634, 389030), (13268, 194515), (16585, 155612), (33170, 77806), (38903, 66340)]