15328940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{69677}}^1$

素因数の和:69697

約数の個数: 24

約数和(自身を含む): 35117712

約数和(自身を除く): 19788772

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 69677, 139354, 278708, 348385, 696770, 766447, 1393540, 1532894, 3065788, 3832235, 7664470, 15328940]

約数ペア:

[(1, 15328940), (2, 7664470), (4, 3832235), (5, 3065788), (10, 1532894), (11, 1393540), (20, 766447), (22, 696770), (44, 348385), (55, 278708), (110, 139354), (220, 69677)]