2116457680

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{134293}}^1$

素因数の和:134503

約数の個数: 40

約数和(自身を含む): 4945779432

約数和(自身を除く): 2829321752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1576, 1970, 3152, 3940, 7880, 15760, 134293, 268586, 537172, 671465, 1074344, 1342930, 2148688, 2685860, 5371720, 10743440, 26455721, 52911442, 105822884, 132278605, 211645768, 264557210, 423291536, 529114420, 1058228840, 2116457680]

約数ペア:

[(1, 2116457680), (2, 1058228840), (4, 529114420), (5, 423291536), (8, 264557210), (10, 211645768), (16, 132278605), (20, 105822884), (40, 52911442), (80, 26455721), (197, 10743440), (394, 5371720), (788, 2685860), (985, 2148688), (1576, 1342930), (1970, 1074344), (3152, 671465), (3940, 537172), (7880, 268586), (15760, 134293)]