20115200

素因数分解:

$2^8\times 5^2\times 7^1\times {\mathrm{449}}^1$

素因数の和:482

約数の個数: 108

約数和(自身を含む): 57027600

約数和(自身を除く): 36912400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 128, 140, 160, 175, 200, 224, 256, 280, 320, 350, 400, 448, 449, 560, 640, 700, 800, 896, 898, 1120, 1280, 1400, 1600, 1792, 1796, 2240, 2245, 2800, 3143, 3200, 3592, 4480, 4490, 5600, 6286, 6400, 7184, 8960, 8980, 11200, 11225, 12572, 14368, 15715, 17960, 22400, 22450, 25144, 28736, 31430, 35920, 44800, 44900, 50288, 57472, 62860, 71840, 78575, 89800, 100576, 114944, 125720, 143680, 157150, 179600, 201152, 251440, 287360, 314300, 359200, 402304, 502880, 574720, 628600, 718400, 804608, 1005760, 1257200, 1436800, 2011520, 2514400, 2873600, 4023040, 5028800, 10057600, 20115200]

約数ペア:

[(1, 20115200), (2, 10057600), (4, 5028800), (5, 4023040), (7, 2873600), (8, 2514400), (10, 2011520), (14, 1436800), (16, 1257200), (20, 1005760), (25, 804608), (28, 718400), (32, 628600), (35, 574720), (40, 502880), (50, 402304), (56, 359200), (64, 314300), (70, 287360), (80, 251440), (100, 201152), (112, 179600), (128, 157150), (140, 143680), (160, 125720), (175, 114944), (200, 100576), (224, 89800), (256, 78575), (280, 71840), (320, 62860), (350, 57472), (400, 50288), (448, 44900), (449, 44800), (560, 35920), (640, 31430), (700, 28736), (800, 25144), (896, 22450), (898, 22400), (1120, 17960), (1280, 15715), (1400, 14368), (1600, 12572), (1792, 11225), (1796, 11200), (2240, 8980), (2245, 8960), (2800, 7184), (3143, 6400), (3200, 6286), (3592, 5600), (4480, 4490)]