4115200

素因数分解:

$2^8\times 5^2\times {\mathrm{643}}^1$

素因数の和:669

約数の個数: 54

約数和(自身を含む): 10201604

約数和(自身を除く): 6086404

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, 643, 800, 1280, 1286, 1600, 2572, 3200, 3215, 5144, 6400, 6430, 10288, 12860, 16075, 20576, 25720, 32150, 41152, 51440, 64300, 82304, 102880, 128600, 164608, 205760, 257200, 411520, 514400, 823040, 1028800, 2057600, 4115200]

約数ペア:

[(1, 4115200), (2, 2057600), (4, 1028800), (5, 823040), (8, 514400), (10, 411520), (16, 257200), (20, 205760), (25, 164608), (32, 128600), (40, 102880), (50, 82304), (64, 64300), (80, 51440), (100, 41152), (128, 32150), (160, 25720), (200, 20576), (256, 16075), (320, 12860), (400, 10288), (640, 6430), (643, 6400), (800, 5144), (1280, 3215), (1286, 3200), (1600, 2572)]