205606400

素因数分解:

$2^9\times 5^2\times {\mathrm{16063}}^1$

素因数の和:16091

約数の個数: 60

約数和(自身を含む): 509437632

約数和(自身を除く): 303831232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 1280, 1600, 2560, 3200, 6400, 12800, 16063, 32126, 64252, 80315, 128504, 160630, 257008, 321260, 401575, 514016, 642520, 803150, 1028032, 1285040, 1606300, 2056064, 2570080, 3212600, 4112128, 5140160, 6425200, 8224256, 10280320, 12850400, 20560640, 25700800, 41121280, 51401600, 102803200, 205606400]

約数ペア:

[(1, 205606400), (2, 102803200), (4, 51401600), (5, 41121280), (8, 25700800), (10, 20560640), (16, 12850400), (20, 10280320), (25, 8224256), (32, 6425200), (40, 5140160), (50, 4112128), (64, 3212600), (80, 2570080), (100, 2056064), (128, 1606300), (160, 1285040), (200, 1028032), (256, 803150), (320, 642520), (400, 514016), (512, 401575), (640, 321260), (800, 257008), (1280, 160630), (1600, 128504), (2560, 80315), (3200, 64252), (6400, 32126), (12800, 16063)]