54401990

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{81197}}^1$

素因数の和:81271

約数の個数: 16

約数和(自身を含む): 99386352

約数和(自身を除く): 44984362

約数列:

[1, 2, 5, 10, 67, 134, 335, 670, 81197, 162394, 405985, 811970, 5440199, 10880398, 27200995, 54401990]

約数ペア:

[(1, 54401990), (2, 27200995), (5, 10880398), (10, 5440199), (67, 811970), (134, 405985), (335, 162394), (670, 81197)]