42571280

素因数分解:

$2^4\times 5^1\times {\mathrm{532141}}^1$

素因数の和:532154

約数の個数: 20

約数和(自身を含む): 98978412

約数和(自身を除く): 56407132

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 532141, 1064282, 2128564, 2660705, 4257128, 5321410, 8514256, 10642820, 21285640, 42571280]

約数ペア:

[(1, 42571280), (2, 21285640), (4, 10642820), (5, 8514256), (8, 5321410), (10, 4257128), (16, 2660705), (20, 2128564), (40, 1064282), (80, 532141)]