1676420

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{769}}^1$

素因数の和:887

約数の個数: 24

約数和(自身を含む): 3557400

約数和(自身を除く): 1880980

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 769, 1090, 1538, 2180, 3076, 3845, 7690, 15380, 83821, 167642, 335284, 419105, 838210, 1676420]

約数ペア:

[(1, 1676420), (2, 838210), (4, 419105), (5, 335284), (10, 167642), (20, 83821), (109, 15380), (218, 7690), (436, 3845), (545, 3076), (769, 2180), (1090, 1538)]