2064560

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:341

約数の個数: 40

約数和(自身を含む): 4861296

約数和(自身を除く): 2796736

約数列:

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

約数ペア:

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