420166090

素因数分解:

$2^1\times 5^1\times {\mathrm{1559}}^1\times {\mathrm{26951}}^1$

素因数の和:28517

約数の個数: 16

約数和(自身を含む): 756812160

約数和(自身を除く): 336646070

約数列:

[1, 2, 5, 10, 1559, 3118, 7795, 15590, 26951, 53902, 134755, 269510, 42016609, 84033218, 210083045, 420166090]

約数ペア:

[(1, 420166090), (2, 210083045), (5, 84033218), (10, 42016609), (1559, 269510), (3118, 134755), (7795, 53902), (15590, 26951)]