48750080

素因数分解:

$2^9\times 5^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:299

約数の個数: 80

約数和(自身を含む): 118586160

約数和(自身を除く): 69836080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 137, 139, 160, 256, 274, 278, 320, 512, 548, 556, 640, 685, 695, 1096, 1112, 1280, 1370, 1390, 2192, 2224, 2560, 2740, 2780, 4384, 4448, 5480, 5560, 8768, 8896, 10960, 11120, 17536, 17792, 19043, 21920, 22240, 35072, 35584, 38086, 43840, 44480, 70144, 71168, 76172, 87680, 88960, 95215, 152344, 175360, 177920, 190430, 304688, 350720, 355840, 380860, 609376, 761720, 1218752, 1523440, 2437504, 3046880, 4875008, 6093760, 9750016, 12187520, 24375040, 48750080]

約数ペア:

[(1, 48750080), (2, 24375040), (4, 12187520), (5, 9750016), (8, 6093760), (10, 4875008), (16, 3046880), (20, 2437504), (32, 1523440), (40, 1218752), (64, 761720), (80, 609376), (128, 380860), (137, 355840), (139, 350720), (160, 304688), (256, 190430), (274, 177920), (278, 175360), (320, 152344), (512, 95215), (548, 88960), (556, 87680), (640, 76172), (685, 71168), (695, 70144), (1096, 44480), (1112, 43840), (1280, 38086), (1370, 35584), (1390, 35072), (2192, 22240), (2224, 21920), (2560, 19043), (2740, 17792), (2780, 17536), (4384, 11120), (4448, 10960), (5480, 8896), (5560, 8768)]