8921780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{63727}}^1$

素因数の和:63743

約数の個数: 24

約数和(自身を含む): 21412608

約数和(自身を除く): 12490828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 63727, 127454, 254908, 318635, 446089, 637270, 892178, 1274540, 1784356, 2230445, 4460890, 8921780]

約数ペア:

[(1, 8921780), (2, 4460890), (4, 2230445), (5, 1784356), (7, 1274540), (10, 892178), (14, 637270), (20, 446089), (28, 318635), (35, 254908), (70, 127454), (140, 63727)]