193840

素因数分解:

$2^4\times 5^1\times {\mathrm{2423}}^1$

素因数の和:2436

約数の個数: 20

約数和(自身を含む): 450864

約数和(自身を除く): 257024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2423, 4846, 9692, 12115, 19384, 24230, 38768, 48460, 96920, 193840]

約数ペア:

[(1, 193840), (2, 96920), (4, 48460), (5, 38768), (8, 24230), (10, 19384), (16, 12115), (20, 9692), (40, 4846), (80, 2423)]