19650880

素因数分解:

$2^6\times 5^1\times {\mathrm{61409}}^1$

素因数の和:61426

約数の個数: 28

約数和(自身を含む): 46794420

約数和(自身を除く): 27143540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 61409, 122818, 245636, 307045, 491272, 614090, 982544, 1228180, 1965088, 2456360, 3930176, 4912720, 9825440, 19650880]

約数ペア:

[(1, 19650880), (2, 9825440), (4, 4912720), (5, 3930176), (8, 2456360), (10, 1965088), (16, 1228180), (20, 982544), (32, 614090), (40, 491272), (64, 307045), (80, 245636), (160, 122818), (320, 61409)]