856555820

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{379007}}^1$

素因数の和:379129

約数の個数: 24

約数和(自身を含む): 1814690304

約数和(自身を除く): 958134484

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 379007, 758014, 1516028, 1895035, 3790070, 7580140, 42827791, 85655582, 171311164, 214138955, 428277910, 856555820]

約数ペア:

[(1, 856555820), (2, 428277910), (4, 214138955), (5, 171311164), (10, 85655582), (20, 42827791), (113, 7580140), (226, 3790070), (452, 1895035), (565, 1516028), (1130, 758014), (2260, 379007)]