40782080

素因数分解:

$2^8\times 5^1\times {\mathrm{151}}^1\times {\mathrm{211}}^1$

素因数の和:383

約数の個数: 72

約数和(自身を含む): 98798784

約数和(自身を除く): 58016704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 151, 160, 211, 256, 302, 320, 422, 604, 640, 755, 844, 1055, 1208, 1280, 1510, 1688, 2110, 2416, 3020, 3376, 4220, 4832, 6040, 6752, 8440, 9664, 12080, 13504, 16880, 19328, 24160, 27008, 31861, 33760, 38656, 48320, 54016, 63722, 67520, 96640, 127444, 135040, 159305, 193280, 254888, 270080, 318610, 509776, 637220, 1019552, 1274440, 2039104, 2548880, 4078208, 5097760, 8156416, 10195520, 20391040, 40782080]

約数ペア:

[(1, 40782080), (2, 20391040), (4, 10195520), (5, 8156416), (8, 5097760), (10, 4078208), (16, 2548880), (20, 2039104), (32, 1274440), (40, 1019552), (64, 637220), (80, 509776), (128, 318610), (151, 270080), (160, 254888), (211, 193280), (256, 159305), (302, 135040), (320, 127444), (422, 96640), (604, 67520), (640, 63722), (755, 54016), (844, 48320), (1055, 38656), (1208, 33760), (1280, 31861), (1510, 27008), (1688, 24160), (2110, 19328), (2416, 16880), (3020, 13504), (3376, 12080), (4220, 9664), (4832, 8440), (6040, 6752)]