73149820

素因数分解:

$2^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{5653}}^1$

素因数の和:6309

約数の個数: 24

約数和(自身を含む): 153879264

約数和(自身を除く): 80729444

約数列:

[1, 2, 4, 5, 10, 20, 647, 1294, 2588, 3235, 5653, 6470, 11306, 12940, 22612, 28265, 56530, 113060, 3657491, 7314982, 14629964, 18287455, 36574910, 73149820]

約数ペア:

[(1, 73149820), (2, 36574910), (4, 18287455), (5, 14629964), (10, 7314982), (20, 3657491), (647, 113060), (1294, 56530), (2588, 28265), (3235, 22612), (5653, 12940), (6470, 11306)]