248389760

素因数分解:

$2^7\times 5^1\times {\mathrm{388109}}^1$

素因数の和:388128

約数の個数: 32

約数和(自身を含む): 593808300

約数和(自身を除く): 345418540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 388109, 776218, 1552436, 1940545, 3104872, 3881090, 6209744, 7762180, 12419488, 15524360, 24838976, 31048720, 49677952, 62097440, 124194880, 248389760]

約数ペア:

[(1, 248389760), (2, 124194880), (4, 62097440), (5, 49677952), (8, 31048720), (10, 24838976), (16, 15524360), (20, 12419488), (32, 7762180), (40, 6209744), (64, 3881090), (80, 3104872), (128, 1940545), (160, 1552436), (320, 776218), (640, 388109)]