1945640

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{383}}^1$

素因数の和:521

約数の個数: 32

約数和(自身を含む): 4423680

約数和(自身を除く): 2478040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 383, 508, 635, 766, 1016, 1270, 1532, 1915, 2540, 3064, 3830, 5080, 7660, 15320, 48641, 97282, 194564, 243205, 389128, 486410, 972820, 1945640]

約数ペア:

[(1, 1945640), (2, 972820), (4, 486410), (5, 389128), (8, 243205), (10, 194564), (20, 97282), (40, 48641), (127, 15320), (254, 7660), (383, 5080), (508, 3830), (635, 3064), (766, 2540), (1016, 1915), (1270, 1532)]