16516480

素因数分解:

$2^7\times 5^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:347

約数の個数: 64

約数和(自身を含む): 39988080

約数和(自身を除く): 23471600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 131, 160, 197, 262, 320, 394, 524, 640, 655, 788, 985, 1048, 1310, 1576, 1970, 2096, 2620, 3152, 3940, 4192, 5240, 6304, 7880, 8384, 10480, 12608, 15760, 16768, 20960, 25216, 25807, 31520, 41920, 51614, 63040, 83840, 103228, 126080, 129035, 206456, 258070, 412912, 516140, 825824, 1032280, 1651648, 2064560, 3303296, 4129120, 8258240, 16516480]

約数ペア:

[(1, 16516480), (2, 8258240), (4, 4129120), (5, 3303296), (8, 2064560), (10, 1651648), (16, 1032280), (20, 825824), (32, 516140), (40, 412912), (64, 258070), (80, 206456), (128, 129035), (131, 126080), (160, 103228), (197, 83840), (262, 63040), (320, 51614), (394, 41920), (524, 31520), (640, 25807), (655, 25216), (788, 20960), (985, 16768), (1048, 15760), (1310, 12608), (1576, 10480), (1970, 8384), (2096, 7880), (2620, 6304), (3152, 5240), (3940, 4192)]