4028920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{14389}}^1$

素因数の和:14407

約数の個数: 32

約数和(自身を含む): 10360800

約数和(自身を除く): 6331880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 14389, 28778, 57556, 71945, 100723, 115112, 143890, 201446, 287780, 402892, 503615, 575560, 805784, 1007230, 2014460, 4028920]

約数ペア:

[(1, 4028920), (2, 2014460), (4, 1007230), (5, 805784), (7, 575560), (8, 503615), (10, 402892), (14, 287780), (20, 201446), (28, 143890), (35, 115112), (40, 100723), (56, 71945), (70, 57556), (140, 28778), (280, 14389)]