51887140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{63277}}^1$

素因数の和:63327

約数の個数: 24

約数和(自身を含む): 111622392

約数和(自身を除く): 59735252

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 63277, 126554, 253108, 316385, 632770, 1265540, 2594357, 5188714, 10377428, 12971785, 25943570, 51887140]

約数ペア:

[(1, 51887140), (2, 25943570), (4, 12971785), (5, 10377428), (10, 5188714), (20, 2594357), (41, 1265540), (82, 632770), (164, 316385), (205, 253108), (410, 126554), (820, 63277)]