164567420

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{99137}}^1$

素因数の和:99229

約数の個数: 24

約数和(自身を含む): 349758864

約数和(自身を除く): 185191444

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 99137, 198274, 396548, 495685, 991370, 1982740, 8228371, 16456742, 32913484, 41141855, 82283710, 164567420]

約数ペア:

[(1, 164567420), (2, 82283710), (4, 41141855), (5, 32913484), (10, 16456742), (20, 8228371), (83, 1982740), (166, 991370), (332, 495685), (415, 396548), (830, 198274), (1660, 99137)]