81534220

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{49117}}^1$

素因数の和:49209

約数の個数: 24

約数和(自身を含む): 173288304

約数和(自身を除く): 91754084

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 49117, 98234, 196468, 245585, 491170, 982340, 4076711, 8153422, 16306844, 20383555, 40767110, 81534220]

約数ペア:

[(1, 81534220), (2, 40767110), (4, 20383555), (5, 16306844), (10, 8153422), (20, 4076711), (83, 982340), (166, 491170), (332, 245585), (415, 196468), (830, 98234), (1660, 49117)]