201491240

素因数分解:

$2^3\times 5^1\times {\mathrm{5037281}}^1$

素因数の和:5037292

約数の個数: 16

約数和(自身を含む): 453355380

約数和(自身を除く): 251864140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5037281, 10074562, 20149124, 25186405, 40298248, 50372810, 100745620, 201491240]

約数ペア:

[(1, 201491240), (2, 100745620), (4, 50372810), (5, 40298248), (8, 25186405), (10, 20149124), (20, 10074562), (40, 5037281)]