201004780

素因数分解:

$2^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{15679}}^1$

素因数の和:16329

約数の個数: 24

約数和(自身を含む): 422795520

約数和(自身を除く): 221790740

約数列:

[1, 2, 4, 5, 10, 20, 641, 1282, 2564, 3205, 6410, 12820, 15679, 31358, 62716, 78395, 156790, 313580, 10050239, 20100478, 40200956, 50251195, 100502390, 201004780]

約数ペア:

[(1, 201004780), (2, 100502390), (4, 50251195), (5, 40200956), (10, 20100478), (20, 10050239), (641, 313580), (1282, 156790), (2564, 78395), (3205, 62716), (6410, 31358), (12820, 15679)]