8042440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{28723}}^1$

素因数の和:28741

約数の個数: 32

約数和(自身を含む): 20681280

約数和(自身を除く): 12638840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 28723, 57446, 114892, 143615, 201061, 229784, 287230, 402122, 574460, 804244, 1005305, 1148920, 1608488, 2010610, 4021220, 8042440]

約数ペア:

[(1, 8042440), (2, 4021220), (4, 2010610), (5, 1608488), (7, 1148920), (8, 1005305), (10, 804244), (14, 574460), (20, 402122), (28, 287230), (35, 229784), (40, 201061), (56, 143615), (70, 114892), (140, 57446), (280, 28723)]