7842740

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1447}}^1$

素因数の和:1727

約数の個数: 24

約数和(自身を含む): 16541952

約数和(自身を除く): 8699212

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 1084, 1355, 1447, 2710, 2894, 5420, 5788, 7235, 14470, 28940, 392137, 784274, 1568548, 1960685, 3921370, 7842740]

約数ペア:

[(1, 7842740), (2, 3921370), (4, 1960685), (5, 1568548), (10, 784274), (20, 392137), (271, 28940), (542, 14470), (1084, 7235), (1355, 5788), (1447, 5420), (2710, 2894)]