1089220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4951}}^1$

素因数の和:4971

約数の個数: 24

約数和(自身を含む): 2495808

約数和(自身を除く): 1406588

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 4951, 9902, 19804, 24755, 49510, 54461, 99020, 108922, 217844, 272305, 544610, 1089220]

約数ペア:

[(1, 1089220), (2, 544610), (4, 272305), (5, 217844), (10, 108922), (11, 99020), (20, 54461), (22, 49510), (44, 24755), (55, 19804), (110, 9902), (220, 4951)]