12215540

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{14897}}^1$

素因数の和:14947

約数の個数: 24

約数和(自身を含む): 26280072

約数和(自身を除く): 14064532

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 14897, 29794, 59588, 74485, 148970, 297940, 610777, 1221554, 2443108, 3053885, 6107770, 12215540]

約数ペア:

[(1, 12215540), (2, 6107770), (4, 3053885), (5, 2443108), (10, 1221554), (20, 610777), (41, 297940), (82, 148970), (164, 74485), (205, 59588), (410, 29794), (820, 14897)]