138315140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{168677}}^1$

素因数の和:168727

約数の個数: 24

約数和(自身を含む): 297547992

約数和(自身を除く): 159232852

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 168677, 337354, 674708, 843385, 1686770, 3373540, 6915757, 13831514, 27663028, 34578785, 69157570, 138315140]

約数ペア:

[(1, 138315140), (2, 69157570), (4, 34578785), (5, 27663028), (10, 13831514), (20, 6915757), (41, 3373540), (82, 1686770), (164, 843385), (205, 674708), (410, 337354), (820, 168677)]