88671280

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{8461}}^1$

素因数の和:8605

約数の個数: 40

約数和(自身を含む): 207759024

約数和(自身を除く): 119087744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2620, 5240, 8461, 10480, 16922, 33844, 42305, 67688, 84610, 135376, 169220, 338440, 676880, 1108391, 2216782, 4433564, 5541955, 8867128, 11083910, 17734256, 22167820, 44335640, 88671280]

約数ペア:

[(1, 88671280), (2, 44335640), (4, 22167820), (5, 17734256), (8, 11083910), (10, 8867128), (16, 5541955), (20, 4433564), (40, 2216782), (80, 1108391), (131, 676880), (262, 338440), (524, 169220), (655, 135376), (1048, 84610), (1310, 67688), (2096, 42305), (2620, 33844), (5240, 16922), (8461, 10480)]