4129120

素因数分解:

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

素因数の和:343

約数の個数: 48

約数和(自身を含む): 9879408

約数和(自身を除く): 5750288

約数列:

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

約数ペア:

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