219717040

素因数分解:

$2^4\times 5^1\times {\mathrm{2746463}}^1$

素因数の和:2746476

約数の個数: 20

約数和(自身を含む): 510842304

約数和(自身を除く): 291125264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2746463, 5492926, 10985852, 13732315, 21971704, 27464630, 43943408, 54929260, 109858520, 219717040]

約数ペア:

[(1, 219717040), (2, 109858520), (4, 54929260), (5, 43943408), (8, 27464630), (10, 21971704), (16, 13732315), (20, 10985852), (40, 5492926), (80, 2746463)]