67416400

素因数分解:

$2^4\times 5^2\times {\mathrm{168541}}^1$

素因数の和:168559

約数の個数: 30

約数和(自身を含む): 161968862

約数和(自身を除く): 94552462

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 168541, 337082, 674164, 842705, 1348328, 1685410, 2696656, 3370820, 4213525, 6741640, 8427050, 13483280, 16854100, 33708200, 67416400]

約数ペア:

[(1, 67416400), (2, 33708200), (4, 16854100), (5, 13483280), (8, 8427050), (10, 6741640), (16, 4213525), (20, 3370820), (25, 2696656), (40, 1685410), (50, 1348328), (80, 842705), (100, 674164), (200, 337082), (400, 168541)]