72888340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{520631}}^1$

素因数の和:520647

約数の個数: 24

約数和(自身を含む): 174932352

約数和(自身を除く): 102044012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 520631, 1041262, 2082524, 2603155, 3644417, 5206310, 7288834, 10412620, 14577668, 18222085, 36444170, 72888340]

約数ペア:

[(1, 72888340), (2, 36444170), (4, 18222085), (5, 14577668), (7, 10412620), (10, 7288834), (14, 5206310), (20, 3644417), (28, 2603155), (35, 2082524), (70, 1041262), (140, 520631)]