28690520

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{12157}}^1$

素因数の和:12227

約数の個数: 32

約数和(自身を含む): 65653200

約数和(自身を除く): 36962680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 12157, 24314, 48628, 60785, 97256, 121570, 243140, 486280, 717263, 1434526, 2869052, 3586315, 5738104, 7172630, 14345260, 28690520]

約数ペア:

[(1, 28690520), (2, 14345260), (4, 7172630), (5, 5738104), (8, 3586315), (10, 2869052), (20, 1434526), (40, 717263), (59, 486280), (118, 243140), (236, 121570), (295, 97256), (472, 60785), (590, 48628), (1180, 24314), (2360, 12157)]