16409090

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{20771}}^1$

素因数の和:20857

約数の個数: 16

約数和(自身を含む): 29911680

約数和(自身を除く): 13502590

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 20771, 41542, 103855, 207710, 1640909, 3281818, 8204545, 16409090]

約数ペア:

[(1, 16409090), (2, 8204545), (5, 3281818), (10, 1640909), (79, 207710), (158, 103855), (395, 41542), (790, 20771)]