155582020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{707191}}^1$

素因数の和:707211

約数の個数: 24

約数和(自身を含む): 356424768

約数和(自身を除く): 200842748

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 707191, 1414382, 2828764, 3535955, 7071910, 7779101, 14143820, 15558202, 31116404, 38895505, 77791010, 155582020]

約数ペア:

[(1, 155582020), (2, 77791010), (4, 38895505), (5, 31116404), (10, 15558202), (11, 14143820), (20, 7779101), (22, 7071910), (44, 3535955), (55, 2828764), (110, 1414382), (220, 707191)]