396528040

素因数分解:

$2^3\times 5^1\times {\mathrm{9913201}}^1$

素因数の和:9913212

約数の個数: 16

約数和(自身を含む): 892188180

約数和(自身を除く): 495660140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 9913201, 19826402, 39652804, 49566005, 79305608, 99132010, 198264020, 396528040]

約数ペア:

[(1, 396528040), (2, 198264020), (4, 99132010), (5, 79305608), (8, 49566005), (10, 39652804), (20, 19826402), (40, 9913201)]