64696120

素因数分解:

$2^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{5839}}^1$

素因数の和:6127

約数の個数: 32

約数和(自身を含む): 146116800

約数和(自身を除く): 81420680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 277, 554, 1108, 1385, 2216, 2770, 5540, 5839, 11080, 11678, 23356, 29195, 46712, 58390, 116780, 233560, 1617403, 3234806, 6469612, 8087015, 12939224, 16174030, 32348060, 64696120]

約数ペア:

[(1, 64696120), (2, 32348060), (4, 16174030), (5, 12939224), (8, 8087015), (10, 6469612), (20, 3234806), (40, 1617403), (277, 233560), (554, 116780), (1108, 58390), (1385, 46712), (2216, 29195), (2770, 23356), (5540, 11678), (5839, 11080)]