12492800

素因数分解:

$2^{13}\times 5^2\times {\mathrm{61}}^1$

素因数の和:97

約数の個数: 84

約数和(自身を含む): 31488126

約数和(自身を除く): 18995326

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 61, 64, 80, 100, 122, 128, 160, 200, 244, 256, 305, 320, 400, 488, 512, 610, 640, 800, 976, 1024, 1220, 1280, 1525, 1600, 1952, 2048, 2440, 2560, 3050, 3200, 3904, 4096, 4880, 5120, 6100, 6400, 7808, 8192, 9760, 10240, 12200, 12800, 15616, 19520, 20480, 24400, 25600, 31232, 39040, 40960, 48800, 51200, 62464, 78080, 97600, 102400, 124928, 156160, 195200, 204800, 249856, 312320, 390400, 499712, 624640, 780800, 1249280, 1561600, 2498560, 3123200, 6246400, 12492800]

約数ペア:

[(1, 12492800), (2, 6246400), (4, 3123200), (5, 2498560), (8, 1561600), (10, 1249280), (16, 780800), (20, 624640), (25, 499712), (32, 390400), (40, 312320), (50, 249856), (61, 204800), (64, 195200), (80, 156160), (100, 124928), (122, 102400), (128, 97600), (160, 78080), (200, 62464), (244, 51200), (256, 48800), (305, 40960), (320, 39040), (400, 31232), (488, 25600), (512, 24400), (610, 20480), (640, 19520), (800, 15616), (976, 12800), (1024, 12200), (1220, 10240), (1280, 9760), (1525, 8192), (1600, 7808), (1952, 6400), (2048, 6100), (2440, 5120), (2560, 4880), (3050, 4096), (3200, 3904)]