19692800

素因数分解:

$2^8\times 5^2\times {\mathrm{17}}^1\times {\mathrm{181}}^1$

素因数の和:224

約数の個数: 108

約数和(自身を含む): 51895116

約数和(自身を除く): 32202316

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 64, 68, 80, 85, 100, 128, 136, 160, 170, 181, 200, 256, 272, 320, 340, 362, 400, 425, 544, 640, 680, 724, 800, 850, 905, 1088, 1280, 1360, 1448, 1600, 1700, 1810, 2176, 2720, 2896, 3077, 3200, 3400, 3620, 4352, 4525, 5440, 5792, 6154, 6400, 6800, 7240, 9050, 10880, 11584, 12308, 13600, 14480, 15385, 18100, 21760, 23168, 24616, 27200, 28960, 30770, 36200, 46336, 49232, 54400, 57920, 61540, 72400, 76925, 98464, 108800, 115840, 123080, 144800, 153850, 196928, 231680, 246160, 289600, 307700, 393856, 492320, 579200, 615400, 787712, 984640, 1158400, 1230800, 1969280, 2461600, 3938560, 4923200, 9846400, 19692800]

約数ペア:

[(1, 19692800), (2, 9846400), (4, 4923200), (5, 3938560), (8, 2461600), (10, 1969280), (16, 1230800), (17, 1158400), (20, 984640), (25, 787712), (32, 615400), (34, 579200), (40, 492320), (50, 393856), (64, 307700), (68, 289600), (80, 246160), (85, 231680), (100, 196928), (128, 153850), (136, 144800), (160, 123080), (170, 115840), (181, 108800), (200, 98464), (256, 76925), (272, 72400), (320, 61540), (340, 57920), (362, 54400), (400, 49232), (425, 46336), (544, 36200), (640, 30770), (680, 28960), (724, 27200), (800, 24616), (850, 23168), (905, 21760), (1088, 18100), (1280, 15385), (1360, 14480), (1448, 13600), (1600, 12308), (1700, 11584), (1810, 10880), (2176, 9050), (2720, 7240), (2896, 6800), (3077, 6400), (3200, 6154), (3400, 5792), (3620, 5440), (4352, 4525)]