7148008940

素因数分解:

$2^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{557567}}^1$

素因数の和:558217

約数の個数: 24

約数和(自身を含む): 15034263552

約数和(自身を除く): 7886254612

約数列:

[1, 2, 4, 5, 10, 20, 641, 1282, 2564, 3205, 6410, 12820, 557567, 1115134, 2230268, 2787835, 5575670, 11151340, 357400447, 714800894, 1429601788, 1787002235, 3574004470, 7148008940]

約数ペア:

[(1, 7148008940), (2, 3574004470), (4, 1787002235), (5, 1429601788), (10, 714800894), (20, 357400447), (641, 11151340), (1282, 5575670), (2564, 2787835), (3205, 2230268), (6410, 1115134), (12820, 557567)]