712975880

素因数分解:

$2^3\times 5^1\times {\mathrm{1721}}^1\times {\mathrm{10357}}^1$

素因数の和:12089

約数の個数: 32

約数和(自身を含む): 1605282840

約数和(自身を除く): 892306960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1721, 3442, 6884, 8605, 10357, 13768, 17210, 20714, 34420, 41428, 51785, 68840, 82856, 103570, 207140, 414280, 17824397, 35648794, 71297588, 89121985, 142595176, 178243970, 356487940, 712975880]

約数ペア:

[(1, 712975880), (2, 356487940), (4, 178243970), (5, 142595176), (8, 89121985), (10, 71297588), (20, 35648794), (40, 17824397), (1721, 414280), (3442, 207140), (6884, 103570), (8605, 82856), (10357, 68840), (13768, 51785), (17210, 41428), (20714, 34420)]