40120208

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{30211}}^1$

素因数の和:30302

約数の個数: 20

約数和(自身を含む): 78672048

約数和(自身を除く): 38551840

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 30211, 60422, 120844, 241688, 483376, 2507513, 5015026, 10030052, 20060104, 40120208]

約数ペア:

[(1, 40120208), (2, 20060104), (4, 10030052), (8, 5015026), (16, 2507513), (83, 483376), (166, 241688), (332, 120844), (664, 60422), (1328, 30211)]