198592040

素因数分解:

$2^3\times 5^1\times {\mathrm{4964801}}^1$

素因数の和:4964812

約数の個数: 16

約数和(自身を含む): 446832180

約数和(自身を除く): 248240140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4964801, 9929602, 19859204, 24824005, 39718408, 49648010, 99296020, 198592040]

約数ペア:

[(1, 198592040), (2, 99296020), (4, 49648010), (5, 39718408), (8, 24824005), (10, 19859204), (20, 9929602), (40, 4964801)]