2051265005

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{163643}}^1$

素因数の和:163780

約数の個数: 16

約数和(自身を含む): 2592120960

約数和(自身を除く): 540855955

約数列:

[1, 5, 23, 109, 115, 545, 2507, 12535, 163643, 818215, 3763789, 17837087, 18818945, 89185435, 410253001, 2051265005]

約数ペア:

[(1, 2051265005), (5, 410253001), (23, 89185435), (109, 18818945), (115, 17837087), (545, 3763789), (2507, 818215), (12535, 163643)]