7129640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{25463}}^1$

素因数の和:25481

約数の個数: 32

約数和(自身を含む): 18334080

約数和(自身を除く): 11204440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 25463, 50926, 101852, 127315, 178241, 203704, 254630, 356482, 509260, 712964, 891205, 1018520, 1425928, 1782410, 3564820, 7129640]

約数ペア:

[(1, 7129640), (2, 3564820), (4, 1782410), (5, 1425928), (7, 1018520), (8, 891205), (10, 712964), (14, 509260), (20, 356482), (28, 254630), (35, 203704), (40, 178241), (56, 127315), (70, 101852), (140, 50926), (280, 25463)]