87431060

素因数分解:

$2^2\times 5^1\times {\mathrm{1229}}^1\times {\mathrm{3557}}^1$

素因数の和:4795

約数の個数: 24

約数和(自身を含む): 183806280

約数和(自身を除く): 96375220

約数列:

[1, 2, 4, 5, 10, 20, 1229, 2458, 3557, 4916, 6145, 7114, 12290, 14228, 17785, 24580, 35570, 71140, 4371553, 8743106, 17486212, 21857765, 43715530, 87431060]

約数ペア:

[(1, 87431060), (2, 43715530), (4, 21857765), (5, 17486212), (10, 8743106), (20, 4371553), (1229, 71140), (2458, 35570), (3557, 24580), (4916, 17785), (6145, 14228), (7114, 12290)]