40864400

素因数分解:

$2^4\times 5^2\times {\mathrm{102161}}^1$

素因数の和:102179

約数の個数: 30

約数和(自身を含む): 98177682

約数和(自身を除く): 57313282

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 102161, 204322, 408644, 510805, 817288, 1021610, 1634576, 2043220, 2554025, 4086440, 5108050, 8172880, 10216100, 20432200, 40864400]

約数ペア:

[(1, 40864400), (2, 20432200), (4, 10216100), (5, 8172880), (8, 5108050), (10, 4086440), (16, 2554025), (20, 2043220), (25, 1634576), (40, 1021610), (50, 817288), (80, 510805), (100, 408644), (200, 204322), (400, 102161)]