164051200

素因数分解:

$2^8\times 5^2\times {\mathrm{25633}}^1$

素因数の和:25659

約数の個数: 54

約数和(自身を含む): 406068194

約数和(自身を除く): 242016994

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 640, 800, 1280, 1600, 3200, 6400, 25633, 51266, 102532, 128165, 205064, 256330, 410128, 512660, 640825, 820256, 1025320, 1281650, 1640512, 2050640, 2563300, 3281024, 4101280, 5126600, 6562048, 8202560, 10253200, 16405120, 20506400, 32810240, 41012800, 82025600, 164051200]

約数ペア:

[(1, 164051200), (2, 82025600), (4, 41012800), (5, 32810240), (8, 20506400), (10, 16405120), (16, 10253200), (20, 8202560), (25, 6562048), (32, 5126600), (40, 4101280), (50, 3281024), (64, 2563300), (80, 2050640), (100, 1640512), (128, 1281650), (160, 1025320), (200, 820256), (256, 640825), (320, 512660), (400, 410128), (640, 256330), (800, 205064), (1280, 128165), (1600, 102532), (3200, 51266), (6400, 25633)]