881540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4007}}^1$

素因数の和:4027

約数の個数: 24

約数和(自身を含む): 2020032

約数和(自身を除く): 1138492

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 4007, 8014, 16028, 20035, 40070, 44077, 80140, 88154, 176308, 220385, 440770, 881540]

約数ペア:

[(1, 881540), (2, 440770), (4, 220385), (5, 176308), (10, 88154), (11, 80140), (20, 44077), (22, 40070), (44, 20035), (55, 16028), (110, 8014), (220, 4007)]