4839280

素因数分解:

$2^4\times 5^1\times {\mathrm{241}}^1\times {\mathrm{251}}^1$

素因数の和:505

約数の個数: 40

約数和(自身を含む): 11343024

約数和(自身を除く): 6503744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 241, 251, 482, 502, 964, 1004, 1205, 1255, 1928, 2008, 2410, 2510, 3856, 4016, 4820, 5020, 9640, 10040, 19280, 20080, 60491, 120982, 241964, 302455, 483928, 604910, 967856, 1209820, 2419640, 4839280]

約数ペア:

[(1, 4839280), (2, 2419640), (4, 1209820), (5, 967856), (8, 604910), (10, 483928), (16, 302455), (20, 241964), (40, 120982), (80, 60491), (241, 20080), (251, 19280), (482, 10040), (502, 9640), (964, 5020), (1004, 4820), (1205, 4016), (1255, 3856), (1928, 2510), (2008, 2410)]