13392820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{353}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 32352768

約数和(自身を除く): 18959948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 271, 353, 542, 706, 1084, 1355, 1412, 1765, 1897, 2471, 2710, 3530, 3794, 4942, 5420, 7060, 7588, 9485, 9884, 12355, 18970, 24710, 37940, 49420, 95663, 191326, 382652, 478315, 669641, 956630, 1339282, 1913260, 2678564, 3348205, 6696410, 13392820]

約数ペア:

[(1, 13392820), (2, 6696410), (4, 3348205), (5, 2678564), (7, 1913260), (10, 1339282), (14, 956630), (20, 669641), (28, 478315), (35, 382652), (70, 191326), (140, 95663), (271, 49420), (353, 37940), (542, 24710), (706, 18970), (1084, 12355), (1355, 9884), (1412, 9485), (1765, 7588), (1897, 7060), (2471, 5420), (2710, 4942), (3530, 3794)]