128521600

素因数分解:

$2^7\times 5^2\times {\mathrm{40163}}^1$

素因数の和:40187

約数の個数: 48

約数和(自身を含む): 317496420

約数和(自身を除く): 188974820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 800, 1600, 3200, 40163, 80326, 160652, 200815, 321304, 401630, 642608, 803260, 1004075, 1285216, 1606520, 2008150, 2570432, 3213040, 4016300, 5140864, 6426080, 8032600, 12852160, 16065200, 25704320, 32130400, 64260800, 128521600]

約数ペア:

[(1, 128521600), (2, 64260800), (4, 32130400), (5, 25704320), (8, 16065200), (10, 12852160), (16, 8032600), (20, 6426080), (25, 5140864), (32, 4016300), (40, 3213040), (50, 2570432), (64, 2008150), (80, 1606520), (100, 1285216), (128, 1004075), (160, 803260), (200, 642608), (320, 401630), (400, 321304), (640, 200815), (800, 160652), (1600, 80326), (3200, 40163)]