16319980

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{6229}}^1$

素因数の和:6369

約数の個数: 24

約数和(自身を含む): 34539120

約数和(自身を除く): 18219140

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 6229, 12458, 24916, 31145, 62290, 124580, 815999, 1631998, 3263996, 4079995, 8159990, 16319980]

約数ペア:

[(1, 16319980), (2, 8159990), (4, 4079995), (5, 3263996), (10, 1631998), (20, 815999), (131, 124580), (262, 62290), (524, 31145), (655, 24916), (1310, 12458), (2620, 6229)]