66522980

素因数分解:

$2^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{5189}}^1$

素因数の和:5839

約数の個数: 24

約数和(自身を含む): 139943160

約数和(自身を除く): 73420180

約数列:

[1, 2, 4, 5, 10, 20, 641, 1282, 2564, 3205, 5189, 6410, 10378, 12820, 20756, 25945, 51890, 103780, 3326149, 6652298, 13304596, 16630745, 33261490, 66522980]

約数ペア:

[(1, 66522980), (2, 33261490), (4, 16630745), (5, 13304596), (10, 6652298), (20, 3326149), (641, 103780), (1282, 51890), (2564, 25945), (3205, 20756), (5189, 12820), (6410, 10378)]