42740528

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{27539}}^1$

素因数の和:27644

約数の個数: 20

約数和(自身を含む): 83666520

約数和(自身を除く): 40925992

約数列:

[1, 2, 4, 8, 16, 97, 194, 388, 776, 1552, 27539, 55078, 110156, 220312, 440624, 2671283, 5342566, 10685132, 21370264, 42740528]

約数ペア:

[(1, 42740528), (2, 21370264), (4, 10685132), (8, 5342566), (16, 2671283), (97, 440624), (194, 220312), (388, 110156), (776, 55078), (1552, 27539)]