2078587520

素因数分解:

$2^7\times 5^1\times {\mathrm{643}}^1\times {\mathrm{5051}}^1$

素因数の和:5713

約数の個数: 64

約数和(自身を含む): 4977836640

約数和(自身を除く): 2899249120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 643, 1286, 2572, 3215, 5051, 5144, 6430, 10102, 10288, 12860, 20204, 20576, 25255, 25720, 40408, 41152, 50510, 51440, 80816, 82304, 101020, 102880, 161632, 202040, 205760, 323264, 404080, 411520, 646528, 808160, 1616320, 3232640, 3247793, 6495586, 12991172, 16238965, 25982344, 32477930, 51964688, 64955860, 103929376, 129911720, 207858752, 259823440, 415717504, 519646880, 1039293760, 2078587520]

約数ペア:

[(1, 2078587520), (2, 1039293760), (4, 519646880), (5, 415717504), (8, 259823440), (10, 207858752), (16, 129911720), (20, 103929376), (32, 64955860), (40, 51964688), (64, 32477930), (80, 25982344), (128, 16238965), (160, 12991172), (320, 6495586), (640, 3247793), (643, 3232640), (1286, 1616320), (2572, 808160), (3215, 646528), (5051, 411520), (5144, 404080), (6430, 323264), (10102, 205760), (10288, 202040), (12860, 161632), (20204, 102880), (20576, 101020), (25255, 82304), (25720, 80816), (40408, 51440), (41152, 50510)]