87668890

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^2\times {\mathrm{3121}}^1$

素因数の和:3234

約数の個数: 24

約数和(自身を含む): 160889148

約数和(自身を除く): 73220258

約数列:

[1, 2, 5, 10, 53, 106, 265, 530, 2809, 3121, 5618, 6242, 14045, 15605, 28090, 31210, 165413, 330826, 827065, 1654130, 8766889, 17533778, 43834445, 87668890]

約数ペア:

[(1, 87668890), (2, 43834445), (5, 17533778), (10, 8766889), (53, 1654130), (106, 827065), (265, 330826), (530, 165413), (2809, 31210), (3121, 28090), (5618, 15605), (6242, 14045)]