40528072

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{2153}}^1$

素因数の和:2353

約数の個数: 32

約数和(自身を含む): 82325880

約数和(自身を除く): 41797808

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 181, 362, 724, 1448, 2153, 2353, 4306, 4706, 8612, 9412, 17224, 18824, 27989, 55978, 111956, 223912, 389693, 779386, 1558772, 3117544, 5066009, 10132018, 20264036, 40528072]

約数ペア:

[(1, 40528072), (2, 20264036), (4, 10132018), (8, 5066009), (13, 3117544), (26, 1558772), (52, 779386), (104, 389693), (181, 223912), (362, 111956), (724, 55978), (1448, 27989), (2153, 18824), (2353, 17224), (4306, 9412), (4706, 8612)]