2419640

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{251}}^1$

素因数の和:503

約数の個数: 32

約数和(自身を含む): 5488560

約数和(自身を除く): 3068920

約数列:

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

約数ペア:

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