161426480

素因数分解:

$2^4\times 5^1\times {\mathrm{2017831}}^1$

素因数の和:2017844

約数の個数: 20

約数和(自身を含む): 375316752

約数和(自身を除く): 213890272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2017831, 4035662, 8071324, 10089155, 16142648, 20178310, 32285296, 40356620, 80713240, 161426480]

約数ペア:

[(1, 161426480), (2, 80713240), (4, 40356620), (5, 32285296), (8, 20178310), (10, 16142648), (16, 10089155), (20, 8071324), (40, 4035662), (80, 2017831)]