225166840

素因数分解:

$2^3\times 5^1\times {\mathrm{1987}}^1\times {\mathrm{2833}}^1$

素因数の和:4831

約数の個数: 32

約数和(自身を含む): 507059280

約数和(自身を除く): 281892440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1987, 2833, 3974, 5666, 7948, 9935, 11332, 14165, 15896, 19870, 22664, 28330, 39740, 56660, 79480, 113320, 5629171, 11258342, 22516684, 28145855, 45033368, 56291710, 112583420, 225166840]

約数ペア:

[(1, 225166840), (2, 112583420), (4, 56291710), (5, 45033368), (8, 28145855), (10, 22516684), (20, 11258342), (40, 5629171), (1987, 113320), (2833, 79480), (3974, 56660), (5666, 39740), (7948, 28330), (9935, 22664), (11332, 19870), (14165, 15896)]