64547710

素因数分解:

$2^1\times 5^1\times {\mathrm{1999}}^1\times {\mathrm{3229}}^1$

素因数の和:5235

約数の個数: 16

約数和(自身を含む): 116280000

約数和(自身を除く): 51732290

約数列:

[1, 2, 5, 10, 1999, 3229, 3998, 6458, 9995, 16145, 19990, 32290, 6454771, 12909542, 32273855, 64547710]

約数ペア:

[(1, 64547710), (2, 32273855), (5, 12909542), (10, 6454771), (1999, 32290), (3229, 19990), (3998, 16145), (6458, 9995)]