19680100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17891}}^1$

素因数の和:17916

約数の個数: 36

約数和(自身を含む): 46590768

約数和(自身を除く): 26910668

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 17891, 35782, 71564, 89455, 178910, 196801, 357820, 393602, 447275, 787204, 894550, 984005, 1789100, 1968010, 3936020, 4920025, 9840050, 19680100]

約数ペア:

[(1, 19680100), (2, 9840050), (4, 4920025), (5, 3936020), (10, 1968010), (11, 1789100), (20, 984005), (22, 894550), (25, 787204), (44, 447275), (50, 393602), (55, 357820), (100, 196801), (110, 178910), (220, 89455), (275, 71564), (550, 35782), (1100, 17891)]