38872220

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{23417}}^1$

素因数の和:23509

約数の個数: 24

約数和(自身を含む): 82618704

約数和(自身を除く): 43746484

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 23417, 46834, 93668, 117085, 234170, 468340, 1943611, 3887222, 7774444, 9718055, 19436110, 38872220]

約数ペア:

[(1, 38872220), (2, 19436110), (4, 9718055), (5, 7774444), (10, 3887222), (20, 1943611), (83, 468340), (166, 234170), (332, 117085), (415, 93668), (830, 46834), (1660, 23417)]