318379520

素因数分解:

$2^9\times 5^1\times {\mathrm{124367}}^1$

素因数の和:124390

約数の個数: 40

約数和(自身を含む): 763370784

約数和(自身を除く): 444991264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 124367, 248734, 497468, 621835, 994936, 1243670, 1989872, 2487340, 3979744, 4974680, 7959488, 9949360, 15918976, 19898720, 31837952, 39797440, 63675904, 79594880, 159189760, 318379520]

約数ペア:

[(1, 318379520), (2, 159189760), (4, 79594880), (5, 63675904), (8, 39797440), (10, 31837952), (16, 19898720), (20, 15918976), (32, 9949360), (40, 7959488), (64, 4974680), (80, 3979744), (128, 2487340), (160, 1989872), (256, 1243670), (320, 994936), (512, 621835), (640, 497468), (1280, 248734), (2560, 124367)]