66445940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{27457}}^1$

素因数の和:27488

約数の個数: 36

約数和(自身を含む): 153380388

約数和(自身を除く): 86934448

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 27457, 54914, 109828, 137285, 274570, 302027, 549140, 604054, 1208108, 1510135, 3020270, 3322297, 6040540, 6644594, 13289188, 16611485, 33222970, 66445940]

約数ペア:

[(1, 66445940), (2, 33222970), (4, 16611485), (5, 13289188), (10, 6644594), (11, 6040540), (20, 3322297), (22, 3020270), (44, 1510135), (55, 1208108), (110, 604054), (121, 549140), (220, 302027), (242, 274570), (484, 137285), (605, 109828), (1210, 54914), (2420, 27457)]