28580020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{204143}}^1$

素因数の和:204159

約数の個数: 24

約数和(自身を含む): 68592384

約数和(自身を除く): 40012364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 204143, 408286, 816572, 1020715, 1429001, 2041430, 2858002, 4082860, 5716004, 7145005, 14290010, 28580020]

約数ペア:

[(1, 28580020), (2, 14290010), (4, 7145005), (5, 5716004), (7, 4082860), (10, 2858002), (14, 2041430), (20, 1429001), (28, 1020715), (35, 816572), (70, 408286), (140, 204143)]