1116640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{997}}^1$

素因数の和:1019

約数の個数: 48

約数和(自身を含む): 3017952

約数和(自身を除く): 1901312

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 997, 1120, 1994, 3988, 4985, 6979, 7976, 9970, 13958, 15952, 19940, 27916, 31904, 34895, 39880, 55832, 69790, 79760, 111664, 139580, 159520, 223328, 279160, 558320, 1116640]

約数ペア:

[(1, 1116640), (2, 558320), (4, 279160), (5, 223328), (7, 159520), (8, 139580), (10, 111664), (14, 79760), (16, 69790), (20, 55832), (28, 39880), (32, 34895), (35, 31904), (40, 27916), (56, 19940), (70, 15952), (80, 13958), (112, 9970), (140, 7976), (160, 6979), (224, 4985), (280, 3988), (560, 1994), (997, 1120)]