204029440

素因数分解:

$2^9\times 5^1\times {\mathrm{79699}}^1$

素因数の和:79722

約数の個数: 40

約数和(自身を含む): 489198600

約数和(自身を除く): 285169160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 79699, 159398, 318796, 398495, 637592, 796990, 1275184, 1593980, 2550368, 3187960, 5100736, 6375920, 10201472, 12751840, 20402944, 25503680, 40805888, 51007360, 102014720, 204029440]

約数ペア:

[(1, 204029440), (2, 102014720), (4, 51007360), (5, 40805888), (8, 25503680), (10, 20402944), (16, 12751840), (20, 10201472), (32, 6375920), (40, 5100736), (64, 3187960), (80, 2550368), (128, 1593980), (160, 1275184), (256, 796990), (320, 637592), (512, 398495), (640, 318796), (1280, 159398), (2560, 79699)]