78944000

素因数分解:

$2^8\times 5^3\times {\mathrm{2467}}^1$

素因数の和:2498

約数の個数: 72

約数和(自身を含む): 196739088

約数和(自身を除く): 117795088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 320, 400, 500, 640, 800, 1000, 1280, 1600, 2000, 2467, 3200, 4000, 4934, 6400, 8000, 9868, 12335, 16000, 19736, 24670, 32000, 39472, 49340, 61675, 78944, 98680, 123350, 157888, 197360, 246700, 308375, 315776, 394720, 493400, 616750, 631552, 789440, 986800, 1233500, 1578880, 1973600, 2467000, 3157760, 3947200, 4934000, 7894400, 9868000, 15788800, 19736000, 39472000, 78944000]

約数ペア:

[(1, 78944000), (2, 39472000), (4, 19736000), (5, 15788800), (8, 9868000), (10, 7894400), (16, 4934000), (20, 3947200), (25, 3157760), (32, 2467000), (40, 1973600), (50, 1578880), (64, 1233500), (80, 986800), (100, 789440), (125, 631552), (128, 616750), (160, 493400), (200, 394720), (250, 315776), (256, 308375), (320, 246700), (400, 197360), (500, 157888), (640, 123350), (800, 98680), (1000, 78944), (1280, 61675), (1600, 49340), (2000, 39472), (2467, 32000), (3200, 24670), (4000, 19736), (4934, 16000), (6400, 12335), (8000, 9868)]