25155140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{30677}}^1$

素因数の和:30727

約数の個数: 24

約数和(自身を含む): 54115992

約数和(自身を除く): 28960852

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 30677, 61354, 122708, 153385, 306770, 613540, 1257757, 2515514, 5031028, 6288785, 12577570, 25155140]

約数ペア:

[(1, 25155140), (2, 12577570), (4, 6288785), (5, 5031028), (10, 2515514), (20, 1257757), (41, 613540), (82, 306770), (164, 153385), (205, 122708), (410, 61354), (820, 30677)]