7280020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{33091}}^1$

素因数の和:33111

約数の個数: 24

約数和(自身を含む): 16678368

約数和(自身を除く): 9398348

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 33091, 66182, 132364, 165455, 330910, 364001, 661820, 728002, 1456004, 1820005, 3640010, 7280020]

約数ペア:

[(1, 7280020), (2, 3640010), (4, 1820005), (5, 1456004), (10, 728002), (11, 661820), (20, 364001), (22, 330910), (44, 165455), (55, 132364), (110, 66182), (220, 33091)]