808438640

素因数分解:

$2^4\times 5^1\times {\mathrm{10105483}}^1$

素因数の和:10105496

約数の個数: 20

約数和(自身を含む): 1879620024

約数和(自身を除く): 1071181384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10105483, 20210966, 40421932, 50527415, 80843864, 101054830, 161687728, 202109660, 404219320, 808438640]

約数ペア:

[(1, 808438640), (2, 404219320), (4, 202109660), (5, 161687728), (8, 101054830), (10, 80843864), (16, 50527415), (20, 40421932), (40, 20210966), (80, 10105483)]