16401820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{28279}}^1$

素因数の和:28317

約数の個数: 24

約数和(自身を含む): 35632800

約数和(自身を除く): 19230980

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 28279, 56558, 113116, 141395, 282790, 565580, 820091, 1640182, 3280364, 4100455, 8200910, 16401820]

約数ペア:

[(1, 16401820), (2, 8200910), (4, 4100455), (5, 3280364), (10, 1640182), (20, 820091), (29, 565580), (58, 282790), (116, 141395), (145, 113116), (290, 56558), (580, 28279)]