4140020

素因数分解:

$2^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{653}}^1$

素因数の和:979

約数の個数: 24

約数和(自身を含む): 8734824

約数和(自身を除く): 4594804

約数列:

[1, 2, 4, 5, 10, 20, 317, 634, 653, 1268, 1306, 1585, 2612, 3170, 3265, 6340, 6530, 13060, 207001, 414002, 828004, 1035005, 2070010, 4140020]

約数ペア:

[(1, 4140020), (2, 2070010), (4, 1035005), (5, 828004), (10, 414002), (20, 207001), (317, 13060), (634, 6530), (653, 6340), (1268, 3265), (1306, 3170), (1585, 2612)]