12757940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{49069}}^1$

素因数の和:49091

約数の個数: 24

約数和(自身を含む): 28853160

約数和(自身を除く): 16095220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 49069, 98138, 196276, 245345, 490690, 637897, 981380, 1275794, 2551588, 3189485, 6378970, 12757940]

約数ペア:

[(1, 12757940), (2, 6378970), (4, 3189485), (5, 2551588), (10, 1275794), (13, 981380), (20, 637897), (26, 490690), (52, 245345), (65, 196276), (130, 98138), (260, 49069)]