254013520

素因数分解:

$2^4\times 5^1\times {\mathrm{3175169}}^1$

素因数の和:3175182

約数の個数: 20

約数和(自身を含む): 590581620

約数和(自身を除く): 336568100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3175169, 6350338, 12700676, 15875845, 25401352, 31751690, 50802704, 63503380, 127006760, 254013520]

約数ペア:

[(1, 254013520), (2, 127006760), (4, 63503380), (5, 50802704), (8, 31751690), (10, 25401352), (16, 15875845), (20, 12700676), (40, 6350338), (80, 3175169)]