142838480

素因数分解:

$2^4\times 5^1\times {\mathrm{1785481}}^1$

素因数の和:1785494

約数の個数: 20

約数和(自身を含む): 332099652

約数和(自身を除く): 189261172

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1785481, 3570962, 7141924, 8927405, 14283848, 17854810, 28567696, 35709620, 71419240, 142838480]

約数ペア:

[(1, 142838480), (2, 71419240), (4, 35709620), (5, 28567696), (8, 17854810), (10, 14283848), (16, 8927405), (20, 7141924), (40, 3570962), (80, 1785481)]