3961540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1637}}^1$

素因数の和:1668

約数の個数: 36

約数和(自身を含む): 9149868

約数和(自身を除く): 5188328

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 1637, 2420, 3274, 6548, 8185, 16370, 18007, 32740, 36014, 72028, 90035, 180070, 198077, 360140, 396154, 792308, 990385, 1980770, 3961540]

約数ペア:

[(1, 3961540), (2, 1980770), (4, 990385), (5, 792308), (10, 396154), (11, 360140), (20, 198077), (22, 180070), (44, 90035), (55, 72028), (110, 36014), (121, 32740), (220, 18007), (242, 16370), (484, 8185), (605, 6548), (1210, 3274), (1637, 2420)]