42227720

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{24551}}^1$

素因数の和:24605

約数の個数: 32

約数和(自身を含む): 97225920

約数和(自身を除く): 54998200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 24551, 49102, 98204, 122755, 196408, 245510, 491020, 982040, 1055693, 2111386, 4222772, 5278465, 8445544, 10556930, 21113860, 42227720]

約数ペア:

[(1, 42227720), (2, 21113860), (4, 10556930), (5, 8445544), (8, 5278465), (10, 4222772), (20, 2111386), (40, 1055693), (43, 982040), (86, 491020), (172, 245510), (215, 196408), (344, 122755), (430, 98204), (860, 49102), (1720, 24551)]