87510640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{156269}}^1$

素因数の和:156289

約数の個数: 40

約数和(自身を含む): 232529760

約数和(自身を除く): 145019120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 156269, 312538, 625076, 781345, 1093883, 1250152, 1562690, 2187766, 2500304, 3125380, 4375532, 5469415, 6250760, 8751064, 10938830, 12501520, 17502128, 21877660, 43755320, 87510640]

約数ペア:

[(1, 87510640), (2, 43755320), (4, 21877660), (5, 17502128), (7, 12501520), (8, 10938830), (10, 8751064), (14, 6250760), (16, 5469415), (20, 4375532), (28, 3125380), (35, 2500304), (40, 2187766), (56, 1562690), (70, 1250152), (80, 1093883), (112, 781345), (140, 625076), (280, 312538), (560, 156269)]