392100040

素因数分解:

$2^3\times 5^1\times {\mathrm{9802501}}^1$

素因数の和:9802512

約数の個数: 16

約数和(自身を含む): 882225180

約数和(自身を除く): 490125140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 9802501, 19605002, 39210004, 49012505, 78420008, 98025010, 196050020, 392100040]

約数ペア:

[(1, 392100040), (2, 196050020), (4, 98025010), (5, 78420008), (8, 49012505), (10, 39210004), (20, 19605002), (40, 9802501)]