51266000

素因数分解:

$2^4\times 5^3\times {\mathrm{25633}}^1$

素因数の和:25656

約数の個数: 40

約数和(自身を含む): 123966024

約数和(自身を除く): 72700024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 25633, 51266, 102532, 128165, 205064, 256330, 410128, 512660, 640825, 1025320, 1281650, 2050640, 2563300, 3204125, 5126600, 6408250, 10253200, 12816500, 25633000, 51266000]

約数ペア:

[(1, 51266000), (2, 25633000), (4, 12816500), (5, 10253200), (8, 6408250), (10, 5126600), (16, 3204125), (20, 2563300), (25, 2050640), (40, 1281650), (50, 1025320), (80, 640825), (100, 512660), (125, 410128), (200, 256330), (250, 205064), (400, 128165), (500, 102532), (1000, 51266), (2000, 25633)]