28703920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{51257}}^1$

素因数の和:51277

約数の個数: 40

約数和(自身を含む): 76271904

約数和(自身を除く): 47567984

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 51257, 102514, 205028, 256285, 358799, 410056, 512570, 717598, 820112, 1025140, 1435196, 1793995, 2050280, 2870392, 3587990, 4100560, 5740784, 7175980, 14351960, 28703920]

約数ペア:

[(1, 28703920), (2, 14351960), (4, 7175980), (5, 5740784), (7, 4100560), (8, 3587990), (10, 2870392), (14, 2050280), (16, 1793995), (20, 1435196), (28, 1025140), (35, 820112), (40, 717598), (56, 512570), (70, 410056), (80, 358799), (112, 256285), (140, 205028), (280, 102514), (560, 51257)]