71986580

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{12809}}^1$

素因数の和:13099

約数の個数: 24

約数和(自身を含む): 151721640

約数和(自身を除く): 79735060

約数列:

[1, 2, 4, 5, 10, 20, 281, 562, 1124, 1405, 2810, 5620, 12809, 25618, 51236, 64045, 128090, 256180, 3599329, 7198658, 14397316, 17996645, 35993290, 71986580]

約数ペア:

[(1, 71986580), (2, 35993290), (4, 17996645), (5, 14397316), (10, 7198658), (20, 3599329), (281, 256180), (562, 128090), (1124, 64045), (1405, 51236), (2810, 25618), (5620, 12809)]