5641720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{20149}}^1$

素因数の和:20167

約数の個数: 32

約数和(自身を含む): 14508000

約数和(自身を除く): 8866280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 20149, 40298, 80596, 100745, 141043, 161192, 201490, 282086, 402980, 564172, 705215, 805960, 1128344, 1410430, 2820860, 5641720]

約数ペア:

[(1, 5641720), (2, 2820860), (4, 1410430), (5, 1128344), (7, 805960), (8, 705215), (10, 564172), (14, 402980), (20, 282086), (28, 201490), (35, 161192), (40, 141043), (56, 100745), (70, 80596), (140, 40298), (280, 20149)]