78039040

素因数分解:

$2^{11}\times 5^1\times {\mathrm{7621}}^1$

素因数の和:7648

約数の個数: 48

約数和(自身を含む): 187272540

約数和(自身を除く): 109233500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 5120, 7621, 10240, 15242, 30484, 38105, 60968, 76210, 121936, 152420, 243872, 304840, 487744, 609680, 975488, 1219360, 1950976, 2438720, 3901952, 4877440, 7803904, 9754880, 15607808, 19509760, 39019520, 78039040]

約数ペア:

[(1, 78039040), (2, 39019520), (4, 19509760), (5, 15607808), (8, 9754880), (10, 7803904), (16, 4877440), (20, 3901952), (32, 2438720), (40, 1950976), (64, 1219360), (80, 975488), (128, 609680), (160, 487744), (256, 304840), (320, 243872), (512, 152420), (640, 121936), (1024, 76210), (1280, 60968), (2048, 38105), (2560, 30484), (5120, 15242), (7621, 10240)]