25565200

素因数分解:

$2^4\times 5^2\times {\mathrm{63913}}^1$

素因数の和:63931

約数の個数: 30

約数和(自身を含む): 61421354

約数和(自身を除く): 35856154

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 63913, 127826, 255652, 319565, 511304, 639130, 1022608, 1278260, 1597825, 2556520, 3195650, 5113040, 6391300, 12782600, 25565200]

約数ペア:

[(1, 25565200), (2, 12782600), (4, 6391300), (5, 5113040), (8, 3195650), (10, 2556520), (16, 1597825), (20, 1278260), (25, 1022608), (40, 639130), (50, 511304), (80, 319565), (100, 255652), (200, 127826), (400, 63913)]