27881840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{49789}}^1$

素因数の和:49809

約数の個数: 40

約数和(自身を含む): 74087520

約数和(自身を除く): 46205680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 49789, 99578, 199156, 248945, 348523, 398312, 497890, 697046, 796624, 995780, 1394092, 1742615, 1991560, 2788184, 3485230, 3983120, 5576368, 6970460, 13940920, 27881840]

約数ペア:

[(1, 27881840), (2, 13940920), (4, 6970460), (5, 5576368), (7, 3983120), (8, 3485230), (10, 2788184), (14, 1991560), (16, 1742615), (20, 1394092), (28, 995780), (35, 796624), (40, 697046), (56, 497890), (70, 398312), (80, 348523), (112, 248945), (140, 199156), (280, 99578), (560, 49789)]