51121660

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{41903}}^1$

素因数の和:41973

約数の個数: 24

約数和(自身を含む): 109118016

約数和(自身を除く): 57996356

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 41903, 83806, 167612, 209515, 419030, 838060, 2556083, 5112166, 10224332, 12780415, 25560830, 51121660]

約数ペア:

[(1, 51121660), (2, 25560830), (4, 12780415), (5, 10224332), (10, 5112166), (20, 2556083), (61, 838060), (122, 419030), (244, 209515), (305, 167612), (610, 83806), (1220, 41903)]