680920160

素因数分解:

$2^5\times 5^1\times {\mathrm{4255751}}^1$

素因数の和:4255766

約数の個数: 24

約数和(自身を含む): 1608674256

約数和(自身を除く): 927754096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 4255751, 8511502, 17023004, 21278755, 34046008, 42557510, 68092016, 85115020, 136184032, 170230040, 340460080, 680920160]

約数ペア:

[(1, 680920160), (2, 340460080), (4, 170230040), (5, 136184032), (8, 85115020), (10, 68092016), (16, 42557510), (20, 34046008), (32, 21278755), (40, 17023004), (80, 8511502), (160, 4255751)]