212953480

素因数分解:

$2^3\times 5^1\times {\mathrm{5323837}}^1$

素因数の和:5323848

約数の個数: 16

約数和(自身を含む): 479145420

約数和(自身を除く): 266191940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5323837, 10647674, 21295348, 26619185, 42590696, 53238370, 106476740, 212953480]

約数ペア:

[(1, 212953480), (2, 106476740), (4, 53238370), (5, 42590696), (8, 26619185), (10, 21295348), (20, 10647674), (40, 5323837)]