7989760

素因数分解:

$2^9\times 5^1\times {\mathrm{3121}}^1$

素因数の和:3144

約数の個数: 40

約数和(自身を含む): 19162836

約数和(自身を除く): 11173076

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 3121, 6242, 12484, 15605, 24968, 31210, 49936, 62420, 99872, 124840, 199744, 249680, 399488, 499360, 798976, 998720, 1597952, 1997440, 3994880, 7989760]

約数ペア:

[(1, 7989760), (2, 3994880), (4, 1997440), (5, 1597952), (8, 998720), (10, 798976), (16, 499360), (20, 399488), (32, 249680), (40, 199744), (64, 124840), (80, 99872), (128, 62420), (160, 49936), (256, 31210), (320, 24968), (512, 15605), (640, 12484), (1280, 6242), (2560, 3121)]