2019920750

素因数分解:

$2^1\times 5^3\times {\mathrm{887}}^1\times {\mathrm{9109}}^1$

素因数の和:10013

約数の個数: 32

約数和(自身を含む): 3785970240

約数和(自身を除く): 1766049490

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 887, 1774, 4435, 8870, 9109, 18218, 22175, 44350, 45545, 91090, 110875, 221750, 227725, 455450, 1138625, 2277250, 8079683, 16159366, 40398415, 80796830, 201992075, 403984150, 1009960375, 2019920750]

約数ペア:

[(1, 2019920750), (2, 1009960375), (5, 403984150), (10, 201992075), (25, 80796830), (50, 40398415), (125, 16159366), (250, 8079683), (887, 2277250), (1774, 1138625), (4435, 455450), (8870, 227725), (9109, 221750), (18218, 110875), (22175, 91090), (44350, 45545)]