87136520

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{20359}}^1$

素因数の和:20477

約数の個数: 32

約数和(自身を含む): 197899200

約数和(自身を除く): 110762680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 20359, 40718, 81436, 101795, 162872, 203590, 407180, 814360, 2178413, 4356826, 8713652, 10892065, 17427304, 21784130, 43568260, 87136520]

約数ペア:

[(1, 87136520), (2, 43568260), (4, 21784130), (5, 17427304), (8, 10892065), (10, 8713652), (20, 4356826), (40, 2178413), (107, 814360), (214, 407180), (428, 203590), (535, 162872), (856, 101795), (1070, 81436), (2140, 40718), (4280, 20359)]