12782080

素因数分解:

$2^9\times 5^1\times {\mathrm{4993}}^1$

素因数の和:5016

約数の個数: 40

約数和(自身を含む): 30653172

約数和(自身を除く): 17871092

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 4993, 9986, 19972, 24965, 39944, 49930, 79888, 99860, 159776, 199720, 319552, 399440, 639104, 798880, 1278208, 1597760, 2556416, 3195520, 6391040, 12782080]

約数ペア:

[(1, 12782080), (2, 6391040), (4, 3195520), (5, 2556416), (8, 1597760), (10, 1278208), (16, 798880), (20, 639104), (32, 399440), (40, 319552), (64, 199720), (80, 159776), (128, 99860), (160, 79888), (256, 49930), (320, 39944), (512, 24965), (640, 19972), (1280, 9986), (2560, 4993)]