18560000

素因数分解:

$2^{10}\times 5^4\times {\mathrm{29}}^1$

素因数の和:69

約数の個数: 110

約数和(自身を含む): 47961210

約数和(自身を除く): 29401210

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 32, 40, 50, 58, 64, 80, 100, 116, 125, 128, 145, 160, 200, 232, 250, 256, 290, 320, 400, 464, 500, 512, 580, 625, 640, 725, 800, 928, 1000, 1024, 1160, 1250, 1280, 1450, 1600, 1856, 2000, 2320, 2500, 2560, 2900, 3200, 3625, 3712, 4000, 4640, 5000, 5120, 5800, 6400, 7250, 7424, 8000, 9280, 10000, 11600, 12800, 14500, 14848, 16000, 18125, 18560, 20000, 23200, 25600, 29000, 29696, 32000, 36250, 37120, 40000, 46400, 58000, 64000, 72500, 74240, 80000, 92800, 116000, 128000, 145000, 148480, 160000, 185600, 232000, 290000, 320000, 371200, 464000, 580000, 640000, 742400, 928000, 1160000, 1856000, 2320000, 3712000, 4640000, 9280000, 18560000]

約数ペア:

[(1, 18560000), (2, 9280000), (4, 4640000), (5, 3712000), (8, 2320000), (10, 1856000), (16, 1160000), (20, 928000), (25, 742400), (29, 640000), (32, 580000), (40, 464000), (50, 371200), (58, 320000), (64, 290000), (80, 232000), (100, 185600), (116, 160000), (125, 148480), (128, 145000), (145, 128000), (160, 116000), (200, 92800), (232, 80000), (250, 74240), (256, 72500), (290, 64000), (320, 58000), (400, 46400), (464, 40000), (500, 37120), (512, 36250), (580, 32000), (625, 29696), (640, 29000), (725, 25600), (800, 23200), (928, 20000), (1000, 18560), (1024, 18125), (1160, 16000), (1250, 14848), (1280, 14500), (1450, 12800), (1600, 11600), (1856, 10000), (2000, 9280), (2320, 8000), (2500, 7424), (2560, 7250), (2900, 6400), (3200, 5800), (3625, 5120), (3712, 5000), (4000, 4640)]