7791280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13913}}^1$

素因数の和:13933

約数の個数: 40

約数和(自身を含む): 20704032

約数和(自身を除く): 12912752

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 13913, 27826, 55652, 69565, 97391, 111304, 139130, 194782, 222608, 278260, 389564, 486955, 556520, 779128, 973910, 1113040, 1558256, 1947820, 3895640, 7791280]

約数ペア:

[(1, 7791280), (2, 3895640), (4, 1947820), (5, 1558256), (7, 1113040), (8, 973910), (10, 779128), (14, 556520), (16, 486955), (20, 389564), (28, 278260), (35, 222608), (40, 194782), (56, 139130), (70, 111304), (80, 97391), (112, 69565), (140, 55652), (280, 27826), (560, 13913)]