163675480

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{20771}}^1$

素因数の和:20979

約数の個数: 32

約数和(自身を含む): 370157040

約数和(自身を除く): 206481560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 20771, 41542, 83084, 103855, 166168, 207710, 415420, 830840, 4091887, 8183774, 16367548, 20459435, 32735096, 40918870, 81837740, 163675480]

約数ペア:

[(1, 163675480), (2, 81837740), (4, 40918870), (5, 32735096), (8, 20459435), (10, 16367548), (20, 8183774), (40, 4091887), (197, 830840), (394, 415420), (788, 207710), (985, 166168), (1576, 103855), (1970, 83084), (3940, 41542), (7880, 20771)]