17998960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{32141}}^1$

素因数の和:32161

約数の個数: 40

約数和(自身を含む): 47827296

約数和(自身を除く): 29828336

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 32141, 64282, 128564, 160705, 224987, 257128, 321410, 449974, 514256, 642820, 899948, 1124935, 1285640, 1799896, 2249870, 2571280, 3599792, 4499740, 8999480, 17998960]

約数ペア:

[(1, 17998960), (2, 8999480), (4, 4499740), (5, 3599792), (7, 2571280), (8, 2249870), (10, 1799896), (14, 1285640), (16, 1124935), (20, 899948), (28, 642820), (35, 514256), (40, 449974), (56, 321410), (70, 257128), (80, 224987), (112, 160705), (140, 128564), (280, 64282), (560, 32141)]