28447540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{677}}^1$

素因数の和:888

約数の個数: 48

約数和(自身を含む): 65608704

約数和(自身を除く): 37161164

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 191, 220, 382, 677, 764, 955, 1354, 1910, 2101, 2708, 3385, 3820, 4202, 6770, 7447, 8404, 10505, 13540, 14894, 21010, 29788, 37235, 42020, 74470, 129307, 148940, 258614, 517228, 646535, 1293070, 1422377, 2586140, 2844754, 5689508, 7111885, 14223770, 28447540]

約数ペア:

[(1, 28447540), (2, 14223770), (4, 7111885), (5, 5689508), (10, 2844754), (11, 2586140), (20, 1422377), (22, 1293070), (44, 646535), (55, 517228), (110, 258614), (191, 148940), (220, 129307), (382, 74470), (677, 42020), (764, 37235), (955, 29788), (1354, 21010), (1910, 14894), (2101, 13540), (2708, 10505), (3385, 8404), (3820, 7447), (4202, 6770)]