13989820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{4139}}^1$

素因数の和:4174

約数の個数: 36

約数和(自身を含む): 31820040

約数和(自身を除く): 17830220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 4139, 8278, 16556, 20695, 41390, 53807, 82780, 107614, 215228, 269035, 538070, 699491, 1076140, 1398982, 2797964, 3497455, 6994910, 13989820]

約数ペア:

[(1, 13989820), (2, 6994910), (4, 3497455), (5, 2797964), (10, 1398982), (13, 1076140), (20, 699491), (26, 538070), (52, 269035), (65, 215228), (130, 107614), (169, 82780), (260, 53807), (338, 41390), (676, 20695), (845, 16556), (1690, 8278), (3380, 4139)]