28806400

素因数分解:

$2^8\times 5^2\times 7^1\times {\mathrm{643}}^1$

素因数の和:676

約数の個数: 108

約数和(自身を含む): 81612832

約数和(自身を除く): 52806432

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 128, 140, 160, 175, 200, 224, 256, 280, 320, 350, 400, 448, 560, 640, 643, 700, 800, 896, 1120, 1280, 1286, 1400, 1600, 1792, 2240, 2572, 2800, 3200, 3215, 4480, 4501, 5144, 5600, 6400, 6430, 8960, 9002, 10288, 11200, 12860, 16075, 18004, 20576, 22400, 22505, 25720, 32150, 36008, 41152, 44800, 45010, 51440, 64300, 72016, 82304, 90020, 102880, 112525, 128600, 144032, 164608, 180040, 205760, 225050, 257200, 288064, 360080, 411520, 450100, 514400, 576128, 720160, 823040, 900200, 1028800, 1152256, 1440320, 1800400, 2057600, 2880640, 3600800, 4115200, 5761280, 7201600, 14403200, 28806400]

約数ペア:

[(1, 28806400), (2, 14403200), (4, 7201600), (5, 5761280), (7, 4115200), (8, 3600800), (10, 2880640), (14, 2057600), (16, 1800400), (20, 1440320), (25, 1152256), (28, 1028800), (32, 900200), (35, 823040), (40, 720160), (50, 576128), (56, 514400), (64, 450100), (70, 411520), (80, 360080), (100, 288064), (112, 257200), (128, 225050), (140, 205760), (160, 180040), (175, 164608), (200, 144032), (224, 128600), (256, 112525), (280, 102880), (320, 90020), (350, 82304), (400, 72016), (448, 64300), (560, 51440), (640, 45010), (643, 44800), (700, 41152), (800, 36008), (896, 32150), (1120, 25720), (1280, 22505), (1286, 22400), (1400, 20576), (1600, 18004), (1792, 16075), (2240, 12860), (2572, 11200), (2800, 10288), (3200, 9002), (3215, 8960), (4480, 6430), (4501, 6400), (5144, 5600)]