57217520

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{16633}}^1$

素因数の和:16689

約数の個数: 40

約数和(自身を含む): 136132656

約数和(自身を除く): 78915136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 16633, 33266, 66532, 83165, 133064, 166330, 266128, 332660, 665320, 715219, 1330640, 1430438, 2860876, 3576095, 5721752, 7152190, 11443504, 14304380, 28608760, 57217520]

約数ペア:

[(1, 57217520), (2, 28608760), (4, 14304380), (5, 11443504), (8, 7152190), (10, 5721752), (16, 3576095), (20, 2860876), (40, 1430438), (43, 1330640), (80, 715219), (86, 665320), (172, 332660), (215, 266128), (344, 166330), (430, 133064), (688, 83165), (860, 66532), (1720, 33266), (3440, 16633)]