8258240

素因数分解:

$2^6\times 5^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:345

約数の個数: 56

約数和(自身を含む): 19915632

約数和(自身を除く): 11657392

約数列:

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

約数ペア:

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