40473320

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{23531}}^1$

素因数の和:23585

約数の個数: 32

約数和(自身を含む): 93186720

約数和(自身を除く): 52713400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 23531, 47062, 94124, 117655, 188248, 235310, 470620, 941240, 1011833, 2023666, 4047332, 5059165, 8094664, 10118330, 20236660, 40473320]

約数ペア:

[(1, 40473320), (2, 20236660), (4, 10118330), (5, 8094664), (8, 5059165), (10, 4047332), (20, 2023666), (40, 1011833), (43, 941240), (86, 470620), (172, 235310), (215, 188248), (344, 117655), (430, 94124), (860, 47062), (1720, 23531)]