39105280

素因数分解:

$2^8\times 5^1\times {\mathrm{137}}^1\times {\mathrm{223}}^1$

素因数の和:381

約数の個数: 72

約数和(自身を含む): 94776192

約数和(自身を除く): 55670912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 137, 160, 223, 256, 274, 320, 446, 548, 640, 685, 892, 1096, 1115, 1280, 1370, 1784, 2192, 2230, 2740, 3568, 4384, 4460, 5480, 7136, 8768, 8920, 10960, 14272, 17536, 17840, 21920, 28544, 30551, 35072, 35680, 43840, 57088, 61102, 71360, 87680, 122204, 142720, 152755, 175360, 244408, 285440, 305510, 488816, 611020, 977632, 1222040, 1955264, 2444080, 3910528, 4888160, 7821056, 9776320, 19552640, 39105280]

約数ペア:

[(1, 39105280), (2, 19552640), (4, 9776320), (5, 7821056), (8, 4888160), (10, 3910528), (16, 2444080), (20, 1955264), (32, 1222040), (40, 977632), (64, 611020), (80, 488816), (128, 305510), (137, 285440), (160, 244408), (223, 175360), (256, 152755), (274, 142720), (320, 122204), (446, 87680), (548, 71360), (640, 61102), (685, 57088), (892, 43840), (1096, 35680), (1115, 35072), (1280, 30551), (1370, 28544), (1784, 21920), (2192, 17840), (2230, 17536), (2740, 14272), (3568, 10960), (4384, 8920), (4460, 8768), (5480, 7136)]