28898560

素因数分解:

$2^8\times 5^1\times {\mathrm{107}}^1\times {\mathrm{211}}^1$

素因数の和:339

約数の個数: 72

約数和(自身を含む): 70199136

約数和(自身を除く): 41300576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 107, 128, 160, 211, 214, 256, 320, 422, 428, 535, 640, 844, 856, 1055, 1070, 1280, 1688, 1712, 2110, 2140, 3376, 3424, 4220, 4280, 6752, 6848, 8440, 8560, 13504, 13696, 16880, 17120, 22577, 27008, 27392, 33760, 34240, 45154, 54016, 67520, 68480, 90308, 112885, 135040, 136960, 180616, 225770, 270080, 361232, 451540, 722464, 903080, 1444928, 1806160, 2889856, 3612320, 5779712, 7224640, 14449280, 28898560]

約数ペア:

[(1, 28898560), (2, 14449280), (4, 7224640), (5, 5779712), (8, 3612320), (10, 2889856), (16, 1806160), (20, 1444928), (32, 903080), (40, 722464), (64, 451540), (80, 361232), (107, 270080), (128, 225770), (160, 180616), (211, 136960), (214, 135040), (256, 112885), (320, 90308), (422, 68480), (428, 67520), (535, 54016), (640, 45154), (844, 34240), (856, 33760), (1055, 27392), (1070, 27008), (1280, 22577), (1688, 17120), (1712, 16880), (2110, 13696), (2140, 13504), (3376, 8560), (3424, 8440), (4220, 6848), (4280, 6752)]