61280000

素因数分解:

$2^8\times 5^4\times {\mathrm{383}}^1$

素因数の和:419

約数の個数: 90

約数和(自身を含む): 153250944

約数和(自身を除く): 91970944

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, 383, 400, 500, 625, 640, 766, 800, 1000, 1250, 1280, 1532, 1600, 1915, 2000, 2500, 3064, 3200, 3830, 4000, 5000, 6128, 6400, 7660, 8000, 9575, 10000, 12256, 15320, 16000, 19150, 20000, 24512, 30640, 32000, 38300, 40000, 47875, 49024, 61280, 76600, 80000, 95750, 98048, 122560, 153200, 160000, 191500, 239375, 245120, 306400, 383000, 478750, 490240, 612800, 766000, 957500, 1225600, 1532000, 1915000, 2451200, 3064000, 3830000, 6128000, 7660000, 12256000, 15320000, 30640000, 61280000]

約数ペア:

[(1, 61280000), (2, 30640000), (4, 15320000), (5, 12256000), (8, 7660000), (10, 6128000), (16, 3830000), (20, 3064000), (25, 2451200), (32, 1915000), (40, 1532000), (50, 1225600), (64, 957500), (80, 766000), (100, 612800), (125, 490240), (128, 478750), (160, 383000), (200, 306400), (250, 245120), (256, 239375), (320, 191500), (383, 160000), (400, 153200), (500, 122560), (625, 98048), (640, 95750), (766, 80000), (800, 76600), (1000, 61280), (1250, 49024), (1280, 47875), (1532, 40000), (1600, 38300), (1915, 32000), (2000, 30640), (2500, 24512), (3064, 20000), (3200, 19150), (3830, 16000), (4000, 15320), (5000, 12256), (6128, 10000), (6400, 9575), (7660, 8000)]