42208885

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{1999}}^1$

素因数の和:2148

約数の個数: 16

約数和(自身を含む): 52416000

約数和(自身を除く): 10207115

約数列:

[1, 5, 41, 103, 205, 515, 1999, 4223, 9995, 21115, 81959, 205897, 409795, 1029485, 8441777, 42208885]

約数ペア:

[(1, 42208885), (5, 8441777), (41, 1029485), (103, 409795), (205, 205897), (515, 81959), (1999, 21115), (4223, 9995)]