6470294420

素因数分解:

$2^2\times 5^1\times {\mathrm{8123}}^1\times {\mathrm{39827}}^1$

素因数の和:47959

約数の個数: 24

約数和(自身を含む): 13589632224

約数和(自身を除く): 7119337804

約数列:

[1, 2, 4, 5, 10, 20, 8123, 16246, 32492, 39827, 40615, 79654, 81230, 159308, 162460, 199135, 398270, 796540, 323514721, 647029442, 1294058884, 1617573605, 3235147210, 6470294420]

約数ペア:

[(1, 6470294420), (2, 3235147210), (4, 1617573605), (5, 1294058884), (10, 647029442), (20, 323514721), (8123, 796540), (16246, 398270), (32492, 199135), (39827, 162460), (40615, 159308), (79654, 81230)]