42785420

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{7723}}^1$

素因数の和:8009

約数の個数: 24

約数和(自身を含む): 90185424

約数和(自身を除く): 47400004

約数列:

[1, 2, 4, 5, 10, 20, 277, 554, 1108, 1385, 2770, 5540, 7723, 15446, 30892, 38615, 77230, 154460, 2139271, 4278542, 8557084, 10696355, 21392710, 42785420]

約数ペア:

[(1, 42785420), (2, 21392710), (4, 10696355), (5, 8557084), (10, 4278542), (20, 2139271), (277, 154460), (554, 77230), (1108, 38615), (1385, 30892), (2770, 15446), (5540, 7723)]