4988940800

素因数分解:

$2^9\times 5^2\times {\mathrm{389761}}^1$

素因数の和:389789

約数の個数: 60

約数和(自身を含む): 12360522306

約数和(自身を除く): 7371581506

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, 389761, 779522, 1559044, 1948805, 3118088, 3897610, 6236176, 7795220, 9744025, 12472352, 15590440, 19488050, 24944704, 31180880, 38976100, 49889408, 62361760, 77952200, 99778816, 124723520, 155904400, 199557632, 249447040, 311808800, 498894080, 623617600, 997788160, 1247235200, 2494470400, 4988940800]

約数ペア:

[(1, 4988940800), (2, 2494470400), (4, 1247235200), (5, 997788160), (8, 623617600), (10, 498894080), (16, 311808800), (20, 249447040), (25, 199557632), (32, 155904400), (40, 124723520), (50, 99778816), (64, 77952200), (80, 62361760), (100, 49889408), (128, 38976100), (160, 31180880), (200, 24944704), (256, 19488050), (320, 15590440), (400, 12472352), (512, 9744025), (640, 7795220), (800, 6236176), (1280, 3897610), (1600, 3118088), (2560, 1948805), (3200, 1559044), (6400, 779522), (12800, 389761)]