201604820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{530539}}^1$

素因数の和:530567

約数の個数: 24

約数和(自身を含む): 445653600

約数和(自身を除く): 244048780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 530539, 1061078, 2122156, 2652695, 5305390, 10080241, 10610780, 20160482, 40320964, 50401205, 100802410, 201604820]

約数ペア:

[(1, 201604820), (2, 100802410), (4, 50401205), (5, 40320964), (10, 20160482), (19, 10610780), (20, 10080241), (38, 5305390), (76, 2652695), (95, 2122156), (190, 1061078), (380, 530539)]