49142120

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{28571}}^1$

素因数の和:28625

約数の個数: 32

約数和(自身を含む): 113145120

約数和(自身を除く): 64003000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 28571, 57142, 114284, 142855, 228568, 285710, 571420, 1142840, 1228553, 2457106, 4914212, 6142765, 9828424, 12285530, 24571060, 49142120]

約数ペア:

[(1, 49142120), (2, 24571060), (4, 12285530), (5, 9828424), (8, 6142765), (10, 4914212), (20, 2457106), (40, 1228553), (43, 1142840), (86, 571420), (172, 285710), (215, 228568), (344, 142855), (430, 114284), (860, 57142), (1720, 28571)]