2019492880

素因数分解:

$2^4\times 5^1\times {\mathrm{317}}^1\times {\mathrm{79633}}^1$

素因数の和:79963

約数の個数: 40

約数和(自身を含む): 4710191832

約数和(自身を除く): 2690698952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 317, 634, 1268, 1585, 2536, 3170, 5072, 6340, 12680, 25360, 79633, 159266, 318532, 398165, 637064, 796330, 1274128, 1592660, 3185320, 6370640, 25243661, 50487322, 100974644, 126218305, 201949288, 252436610, 403898576, 504873220, 1009746440, 2019492880]

約数ペア:

[(1, 2019492880), (2, 1009746440), (4, 504873220), (5, 403898576), (8, 252436610), (10, 201949288), (16, 126218305), (20, 100974644), (40, 50487322), (80, 25243661), (317, 6370640), (634, 3185320), (1268, 1592660), (1585, 1274128), (2536, 796330), (3170, 637064), (5072, 398165), (6340, 318532), (12680, 159266), (25360, 79633)]