248880440

素因数分解:

$2^3\times 5^1\times {\mathrm{6222011}}^1$

素因数の和:6222022

約数の個数: 16

約数和(自身を含む): 559981080

約数和(自身を除く): 311100640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6222011, 12444022, 24888044, 31110055, 49776088, 62220110, 124440220, 248880440]

約数ペア:

[(1, 248880440), (2, 124440220), (4, 62220110), (5, 49776088), (8, 31110055), (10, 24888044), (20, 12444022), (40, 6222011)]