391442540

素因数分解:

$2^2\times 5^1\times {\mathrm{1163}}^1\times {\mathrm{16829}}^1$

素因数の和:18001

約数の個数: 24

約数和(自身を含む): 822785040

約数和(自身を除く): 431342500

約数列:

[1, 2, 4, 5, 10, 20, 1163, 2326, 4652, 5815, 11630, 16829, 23260, 33658, 67316, 84145, 168290, 336580, 19572127, 39144254, 78288508, 97860635, 195721270, 391442540]

約数ペア:

[(1, 391442540), (2, 195721270), (4, 97860635), (5, 78288508), (10, 39144254), (20, 19572127), (1163, 336580), (2326, 168290), (4652, 84145), (5815, 67316), (11630, 33658), (16829, 23260)]