4010020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{28643}}^1$

素因数の和:28659

約数の個数: 24

約数和(自身を含む): 9624384

約数和(自身を除く): 5614364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 28643, 57286, 114572, 143215, 200501, 286430, 401002, 572860, 802004, 1002505, 2005010, 4010020]

約数ペア:

[(1, 4010020), (2, 2005010), (4, 1002505), (5, 802004), (7, 572860), (10, 401002), (14, 286430), (20, 200501), (28, 143215), (35, 114572), (70, 57286), (140, 28643)]