1254080440

素因数分解:

$2^3\times 5^1\times {\mathrm{31352011}}^1$

素因数の和:31352022

約数の個数: 16

約数和(自身を含む): 2821681080

約数和(自身を除く): 1567600640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 31352011, 62704022, 125408044, 156760055, 250816088, 313520110, 627040220, 1254080440]

約数ペア:

[(1, 1254080440), (2, 627040220), (4, 313520110), (5, 250816088), (8, 156760055), (10, 125408044), (20, 62704022), (40, 31352011)]