163908880

素因数分解:

$2^4\times 5^1\times {\mathrm{2048861}}^1$

素因数の和:2048874

約数の個数: 20

約数和(自身を含む): 381088332

約数和(自身を除く): 217179452

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2048861, 4097722, 8195444, 10244305, 16390888, 20488610, 32781776, 40977220, 81954440, 163908880]

約数ペア:

[(1, 163908880), (2, 81954440), (4, 40977220), (5, 32781776), (8, 20488610), (10, 16390888), (16, 10244305), (20, 8195444), (40, 4097722), (80, 2048861)]