22432720

素因数分解:

$2^4\times 5^1\times {\mathrm{280409}}^1$

素因数の和:280422

約数の個数: 20

約数和(自身を含む): 52156260

約数和(自身を除く): 29723540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 280409, 560818, 1121636, 1402045, 2243272, 2804090, 4486544, 5608180, 11216360, 22432720]

約数ペア:

[(1, 22432720), (2, 11216360), (4, 5608180), (5, 4486544), (8, 2804090), (10, 2243272), (16, 1402045), (20, 1121636), (40, 560818), (80, 280409)]