16240000

素因数分解:

$2^7\times 5^4\times 7^1\times {\mathrm{29}}^1$

素因数の和:70

約数の個数: 160

約数和(自身を含む): 47797200

約数和(自身を除く): 31557200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 29, 32, 35, 40, 50, 56, 58, 64, 70, 80, 100, 112, 116, 125, 128, 140, 145, 160, 175, 200, 203, 224, 232, 250, 280, 290, 320, 350, 400, 406, 448, 464, 500, 560, 580, 625, 640, 700, 725, 800, 812, 875, 896, 928, 1000, 1015, 1120, 1160, 1250, 1400, 1450, 1600, 1624, 1750, 1856, 2000, 2030, 2240, 2320, 2500, 2800, 2900, 3200, 3248, 3500, 3625, 3712, 4000, 4060, 4375, 4480, 4640, 5000, 5075, 5600, 5800, 6496, 7000, 7250, 8000, 8120, 8750, 9280, 10000, 10150, 11200, 11600, 12992, 14000, 14500, 16000, 16240, 17500, 18125, 18560, 20000, 20300, 22400, 23200, 25375, 25984, 28000, 29000, 32480, 35000, 36250, 40000, 40600, 46400, 50750, 56000, 58000, 64960, 70000, 72500, 80000, 81200, 92800, 101500, 112000, 116000, 126875, 129920, 140000, 145000, 162400, 203000, 232000, 253750, 280000, 290000, 324800, 406000, 464000, 507500, 560000, 580000, 649600, 812000, 1015000, 1160000, 1624000, 2030000, 2320000, 3248000, 4060000, 8120000, 16240000]

約数ペア:

[(1, 16240000), (2, 8120000), (4, 4060000), (5, 3248000), (7, 2320000), (8, 2030000), (10, 1624000), (14, 1160000), (16, 1015000), (20, 812000), (25, 649600), (28, 580000), (29, 560000), (32, 507500), (35, 464000), (40, 406000), (50, 324800), (56, 290000), (58, 280000), (64, 253750), (70, 232000), (80, 203000), (100, 162400), (112, 145000), (116, 140000), (125, 129920), (128, 126875), (140, 116000), (145, 112000), (160, 101500), (175, 92800), (200, 81200), (203, 80000), (224, 72500), (232, 70000), (250, 64960), (280, 58000), (290, 56000), (320, 50750), (350, 46400), (400, 40600), (406, 40000), (448, 36250), (464, 35000), (500, 32480), (560, 29000), (580, 28000), (625, 25984), (640, 25375), (700, 23200), (725, 22400), (800, 20300), (812, 20000), (875, 18560), (896, 18125), (928, 17500), (1000, 16240), (1015, 16000), (1120, 14500), (1160, 14000), (1250, 12992), (1400, 11600), (1450, 11200), (1600, 10150), (1624, 10000), (1750, 9280), (1856, 8750), (2000, 8120), (2030, 8000), (2240, 7250), (2320, 7000), (2500, 6496), (2800, 5800), (2900, 5600), (3200, 5075), (3248, 5000), (3500, 4640), (3625, 4480), (3712, 4375), (4000, 4060)]