13888000

素因数分解:

$2^9\times 5^3\times 7^1\times {\mathrm{31}}^1$

素因数の和:71

約数の個数: 160

約数和(自身を含む): 40854528

約数和(自身を除く): 26966528

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 32, 35, 40, 50, 56, 62, 64, 70, 80, 100, 112, 124, 125, 128, 140, 155, 160, 175, 200, 217, 224, 248, 250, 256, 280, 310, 320, 350, 400, 434, 448, 496, 500, 512, 560, 620, 640, 700, 775, 800, 868, 875, 896, 992, 1000, 1085, 1120, 1240, 1280, 1400, 1550, 1600, 1736, 1750, 1792, 1984, 2000, 2170, 2240, 2480, 2560, 2800, 3100, 3200, 3472, 3500, 3584, 3875, 3968, 4000, 4340, 4480, 4960, 5425, 5600, 6200, 6400, 6944, 7000, 7750, 7936, 8000, 8680, 8960, 9920, 10850, 11200, 12400, 12800, 13888, 14000, 15500, 15872, 16000, 17360, 17920, 19840, 21700, 22400, 24800, 27125, 27776, 28000, 31000, 32000, 34720, 39680, 43400, 44800, 49600, 54250, 55552, 56000, 62000, 64000, 69440, 79360, 86800, 89600, 99200, 108500, 111104, 112000, 124000, 138880, 173600, 198400, 217000, 224000, 248000, 277760, 347200, 396800, 434000, 448000, 496000, 555520, 694400, 868000, 992000, 1388800, 1736000, 1984000, 2777600, 3472000, 6944000, 13888000]

約数ペア:

[(1, 13888000), (2, 6944000), (4, 3472000), (5, 2777600), (7, 1984000), (8, 1736000), (10, 1388800), (14, 992000), (16, 868000), (20, 694400), (25, 555520), (28, 496000), (31, 448000), (32, 434000), (35, 396800), (40, 347200), (50, 277760), (56, 248000), (62, 224000), (64, 217000), (70, 198400), (80, 173600), (100, 138880), (112, 124000), (124, 112000), (125, 111104), (128, 108500), (140, 99200), (155, 89600), (160, 86800), (175, 79360), (200, 69440), (217, 64000), (224, 62000), (248, 56000), (250, 55552), (256, 54250), (280, 49600), (310, 44800), (320, 43400), (350, 39680), (400, 34720), (434, 32000), (448, 31000), (496, 28000), (500, 27776), (512, 27125), (560, 24800), (620, 22400), (640, 21700), (700, 19840), (775, 17920), (800, 17360), (868, 16000), (875, 15872), (896, 15500), (992, 14000), (1000, 13888), (1085, 12800), (1120, 12400), (1240, 11200), (1280, 10850), (1400, 9920), (1550, 8960), (1600, 8680), (1736, 8000), (1750, 7936), (1792, 7750), (1984, 7000), (2000, 6944), (2170, 6400), (2240, 6200), (2480, 5600), (2560, 5425), (2800, 4960), (3100, 4480), (3200, 4340), (3472, 4000), (3500, 3968), (3584, 3875)]