25435880

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{9491}}^1$

素因数の和:9569

約数の個数: 32

約数和(自身を含む): 58091040

約数和(自身を除く): 32655160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 9491, 18982, 37964, 47455, 75928, 94910, 189820, 379640, 635897, 1271794, 2543588, 3179485, 5087176, 6358970, 12717940, 25435880]

約数ペア:

[(1, 25435880), (2, 12717940), (4, 6358970), (5, 5087176), (8, 3179485), (10, 2543588), (20, 1271794), (40, 635897), (67, 379640), (134, 189820), (268, 94910), (335, 75928), (536, 47455), (670, 37964), (1340, 18982), (2680, 9491)]