8187640

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1913}}^1$

素因数の和:2031

約数の個数: 32

約数和(自身を含む): 18604080

約数和(自身を除く): 10416440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 1913, 2140, 3826, 4280, 7652, 9565, 15304, 19130, 38260, 76520, 204691, 409382, 818764, 1023455, 1637528, 2046910, 4093820, 8187640]

約数ペア:

[(1, 8187640), (2, 4093820), (4, 2046910), (5, 1637528), (8, 1023455), (10, 818764), (20, 409382), (40, 204691), (107, 76520), (214, 38260), (428, 19130), (535, 15304), (856, 9565), (1070, 7652), (1913, 4280), (2140, 3826)]